diff --git a/appinfo/app.php b/appinfo/app.php
--- a/appinfo/app.php
+++ b/appinfo/app.php
@@ -1,32 +1,31 @@
 <?php
 
 /**
 * ownCloud - user_sql
 *
 * @author Andreas Böhler
 * @copyright 2012-2015 Andreas Böhler <dev (at) aboehler (dot) at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
 require_once('apps/user_sql/user_sql.php');
 \OCP\App::registerAdmin('user_sql','settings');
 
 $backend = new \OCA\user_sql\OC_USER_SQL;
 
 
 // register user backend
-OC_User::registerBackend($backend);
-OC_User::useBackend($backend);
+\OC_User::useBackend($backend);
diff --git a/appinfo/info.xml b/appinfo/info.xml
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -1,16 +1,18 @@
 <?xml version="1.0"?>
 <info>
        <id>user_sql</id>
        <name>SQL user backend</name>
        <description>Authenticate Users by SQL</description>
        <licence>AGPL</licence>
        <author>Andreas Boehler &lt;dev (at) aboehler 
 (dot) at &gt;</author>
-       <version>2.1</version>
-       <requiremin>8.1</requiremin>
+       <version>2.2</version>
        <shipped>false</shipped>
        <namespace>user_sql</namespace>
        <types>
        		<authentication/>
        </types>
+       <dependencies>
+           <owncloud min-version="8.1" max-version="9"/>
+       </dependencies>
 </info>
diff --git a/js/settings.js b/js/settings.js
--- a/js/settings.js
+++ b/js/settings.js
@@ -1,314 +1,314 @@
 // settings.js of user_sql
 
 // declare namespace
 var user_sql = user_sql ||
 {
 };
 
 /**
  * init admin settings view
  */
 user_sql.adminSettingsUI = function()
 {
 
-    if($('#sql').length > 0)
+    if($('#sqlDiv').length > 0)
     {
         // enable tabs on settings page
-        $('#sql').tabs();
+        $('#sqlDiv').tabs();
         
         // Attach auto-completion to all column fields
         $('#col_username, #col_password, #col_displayname, #col_active, #col_email, #col_gethome').autocomplete({
             source: function(request, response)
             {
                 var post = $('#sqlForm').serializeArray();
                 var domain = $('#sql_domain_chooser option:selected').val();
                 
                 post.push({
                     name: 'function',
                     value: 'getColumnAutocomplete'
                 });
                 
                 post.push({
                     name: 'domain',
                     value: domain
                 });
                 
                 post.push({
                     name: 'request',
                     value: request.term
                 });
     
                 // Ajax foobar
                 $.post(OC.filePath('user_sql', 'ajax', 'settings.php'), post, response, 'json');
             },
             minLength: 0,
             open: function() {
                 $(this).attr('state', 'open');
             },
             close: function() {
                 $(this).attr('state', 'closed');
             }
         }).focus(function() {
            if($(this).attr('state') != 'open')
            {
                $(this).autocomplete("search");
            } 
         });        
         
         // Attach auto-completion to all table fields
         $('#sql_table').autocomplete({
             source: function(request, response)
             {
                 var post = $('#sqlForm').serializeArray();
                 var domain = $('#sql_domain_chooser option:selected').val();
                 
                 post.push({
                     name: 'function',
                     value: 'getTableAutocomplete'
                 });
                 
                 post.push({
                     name: 'domain',
                     value: domain
                 });
                 
                 post.push({
                     name: 'request',
                     value: request.term
                 });
     
                 // Ajax foobar
                 $.post(OC.filePath('user_sql', 'ajax', 'settings.php'), post, response, 'json');
             },
             minLength: 0,
             open: function() {
                 $(this).attr('state', 'open');
             },
             close: function() {
                 $(this).attr('state', 'closed');
             }
         }).focus(function() {
            if($(this).attr('state') != 'open')
            {
                $(this).autocomplete("search");
            } 
         });
         
         // Verify the SQL database settings
         $('#sqlVerify').click(function(event)
         {
             event.preventDefault();
 
             var post = $('#sqlForm').serializeArray();
             var domain = $('#sql_domain_chooser option:selected').val();
             
             post.push({
                 name: 'function',
                 value: 'verifySettings'
             });
             
             post.push({
                 name: 'domain',
                 value: domain
             });
 
             $('#sql_verify_message').show();
             $('#sql_success_message').hide();
             $('#sql_error_message').hide();
             $('#sql_update_message').hide();
             // Ajax foobar
             $.post(OC.filePath('user_sql', 'ajax', 'settings.php'), post, function(data)
             {
                 $('#sql_verify_message').hide();
                 if(data.status == 'success')
                 {
                     $('#sql_success_message').html(data.data.message);
                     $('#sql_success_message').show();
                     window.setTimeout(function()
                     {
                         $('#sql_success_message').hide();
                     }, 10000);
                 } else
                 {
                     $('#sql_error_message').html(data.data.message);
                     $('#sql_error_message').show();
                 }
             }, 'json');
             return false;
         });            
 
         // Save the settings for a domain
         $('#sqlSubmit').click(function(event)
         {
             event.preventDefault();
 
             var post = $('#sqlForm').serializeArray();
             var domain = $('#sql_domain_chooser option:selected').val();
             
             post.push({
                 name: 'function',
                 value: 'saveSettings'
             });
             
             post.push({
                 name: 'domain',
                 value: domain
             });
 
             $('#sql_update_message').show();
             $('#sql_success_message').hide();
             $('#sql_verify_message').hide();
             $('#sql_error_message').hide();
             // Ajax foobar
             $.post(OC.filePath('user_sql', 'ajax', 'settings.php'), post, function(data)
             {
                 $('#sql_update_message').hide();
                 if(data.status == 'success')
                 {
                     $('#sql_success_message').html(data.data.message);
                     $('#sql_success_message').show();
                     window.setTimeout(function()
                     {
                         $('#sql_success_message').hide();
                     }, 10000);
                 } else
                 {
                     $('#sql_error_message').html(data.data.message);
                     $('#sql_error_message').show();
                 }
             }, 'json');
             return false;
         });
 
         // Attach event handler to the domain chooser
         $('#sql_domain_chooser').change(function() {
            user_sql.loadDomainSettings($('#sql_domain_chooser option:selected').val());
         });
         
         $('#set_gethome_mode').change(function() {
            user_sql.setGethomeMode();
         });
         
         $('#set_enable_gethome').change(function() {
             user_sql.setGethomeMode();
         });
     }
 };
 
 user_sql.setGethomeMode = function()
 {
     var enabled = $('#set_enable_gethome').prop('checked');
     if(enabled)
     {
         $('#set_gethome_mode').prop('disabled', false);
         var val = $('#set_gethome_mode option:selected').val();
         if(val === 'query')
         {
             $('#set_gethome').prop('disabled', true);
             $('#col_gethome').prop('disabled', false);
         }
         else if(val === 'static')
         {
             $('#set_gethome').prop('disabled', false);
             $('#col_gethome').prop('disabled', true);
         }
         else
         {
             $('#set_gethome').prop('disabled', true);
             $('#col_gethome').prop('disabled', true);
         }
     }
     else
     {
         $('#set_gethome_mode').prop('disabled', true);
         $('#set_gethome').prop('disabled', true);
         $('#col_gethome').prop('disabled', true);
     }
 };
 
 /**
  * Load the settings for the selected domain
  * @param string domain The domain to load
  */
 user_sql.loadDomainSettings = function(domain)
 {
     $('#sql_success_message').hide();
     $('#sql_error_message').hide();
     $('#sql_verify_message').hide();
     $('#sql_loading_message').show();
     var post = [
         {
             name: 'appname',
             value: 'user_sql'
         },
         {
             name: 'function',
             value: 'loadSettingsForDomain'
         },
         {
             name: 'domain',
             value: domain
         }
     ];
     $.post(OC.filePath('user_sql', 'ajax', 'settings.php'), post, function(data)
         {
             $('#sql_loading_message').hide();
             if(data.status == 'success')
             {
                 for(key in data.settings)
                 {
                     if(key == 'set_strip_domain')
                     {
                         if(data.settings[key] == 'true')
                             $('#' + key).prop('checked', true);
                         else
                             $('#' + key).prop('checked', false);
                     }
                     else if(key == 'set_allow_pwchange')
                     {
                         if(data.settings[key] == 'true')
                             $('#' + key).prop('checked', true);
                         else
                             $('#' + key).prop('checked', false);
                     }
                     else if(key == 'set_active_invert')
                     {
                         if(data.settings[key] == 'true')
                             $('#' + key).prop('checked', true);
                         else
                             $('#' + key).prop('checked', false);
                     }
                     else if(key == 'set_enable_gethome')
                     {
                         if(data.settings[key] == 'true')
                             $('#' + key).prop('checked', true);
                         else
                             $('#' + key).prop('checked', false);
                     }
                     else
                     {
                         $('#' + key).val(data.settings[key]);
                     }
                 }
             }
             else
             {
                 $('#sql_error_message').html(data.data.message);
                 $('#sql_error_message').show();
             }
             user_sql.setGethomeMode();
         }, 'json'
     );
 };
 
 // Run our JS if the SQL settings are present
 $(document).ready(function()
 {
-    if($('#sql'))
+    if($('#sqlDiv'))
     {
         user_sql.adminSettingsUI();
         user_sql.loadDomainSettings($('#sql_domain_chooser option:selected').val());
         user_sql.setGethomeMode();
     }
 });
 
diff --git a/templates/settings.php b/templates/settings.php
--- a/templates/settings.php
+++ b/templates/settings.php
@@ -1,168 +1,168 @@
 <?php $ocVersion = $_['ocVersion'];
 $cfgClass = $ocVersion >= 7 ? 'section' : 'personalblock';
 ?>
 
 <div class="<?php p($cfgClass); ?>">
-    <h2><?php p($l->t('SQL')); ?></h2>
+    <h2><?php p($l->t('SQL User Backend')); ?></h2>
 
 <form id="sqlForm" action="#" method="post" class="<?php p($cfgClass); ?>">
 
-    <div id="sql" class="<?php p($cfgClass); ?>">
+    <div id="sqlDiv" class="<?php p($cfgClass); ?>">
     <label for="sql_domain_chooser"><?php p($l -> t('Settings for Domain')) ?></label>
     <select id="sql_domain_chooser" name="sql_domain_chooser">
         <?php foreach ($_['allowed_domains'] as $domain): ?>
             <option value="<?php p($domain); ?>"><?php p($domain); ?></option>
         <?php endforeach ?>
     </select>
     <ul>
       <li><a id="sqlBasicSettings" href="#sql-1"><?php p($l -> t('Connection Settings')); ?></a></li>
       <li><a id="sqlColSettings" href="#sql-2"><?php p($l -> t('Column Settings')); ?></a></li>
       <li><a id="sqlEmailSettings" href="#sql-3"><?php p($l -> t('E-Mail Settings')); ?></a></li>
       <li><a id="sqlDomainSettings" href="#sql-4"><?php p($l -> t('Domain Settings')); ?></a></li>
       <li><a id="sqlGethomeSettings" href="#sql-5"><?php p($l -> t('getHome Settings')); ?></a></li>
     </ul>
 
         <fieldset id="sql-1">
            <p><label for="sql_driver"><?php p($l -> t('SQL Driver')); ?></label>
                 <?php $db_driver = array('mysql' => 'MySQL', 'pgsql' => 'PostgreSQL'); ?>
                 <select id="sql_driver" name="sql_driver">
                     <?php 
                         foreach ($db_driver as $driver => $name):
                             //echo $_['sql_driver'];
                             if($_['sql_driver'] === $driver): ?>
                                 <option selected="selected" value="<?php p($driver); ?>"><?php p($name); ?></option>
                             <?php else: ?>
                                 <option value="<?php p($driver); ?>"><?php p($name); ?></option>
                             <?php endif;
                         endforeach;
                     ?>
                 </select>
             </p>
 
             <p><label for="sql_hostname"><?php p($l -> t('Host')); ?></label><input type="text" id="sql_hostname" name="sql_hostname" value="<?php p($_['sql_hostname']); ?>"></p>
             
             <p><label for="sql_username"><?php p($l -> t('Username')); ?></label><input type="text" id="sql_username" name="sql_username" value="<?php p($_['sql_username']); ?>" /></p>
             
             <p><label for="sql_database"><?php p($l -> t('Database')); ?></label><input type="text" id="sql_database" name="sql_database" value="<?php p($_['sql_database']); ?>" /></p>
             
             <p><label for="sql_password"><?php p($l -> t('Password')); ?></label><input type="password" id="sql_password" name="sql_password" value="<?php p($_['sql_password']); ?>" /></p>
             
             <p><input type="submit" id="sqlVerify" value="<?php p($l -> t('Verify Settings')); ?>"></p>
             
         </fieldset>
         <fieldset id="sql-2">
             <p><label for="sql_table"><?php p($l -> t('Table')); ?></label><input type="text" id="sql_table" name="sql_table" value="<?php p($_['sql_table']); ?>" /></p>
             
             <p><label for="col_username"><?php p($l -> t('Username Column')); ?></label><input type="text" id="col_username" name="col_username" value="<?php p($_['col_username']); ?>" /></p>
             
             <p><label for="col_password"><?php p($l -> t('Password Column')); ?></label><input type="text" id="col_password" name="col_password" value="<?php p($_['col_password']); ?>" /></p>
             
             <p><label for="set_allow_pwchange"><?php p($l -> t('Allow password changing (read README!)')); ?></label><input type="checkbox" id="set_allow_pwchange" name="set_allow_pwchange" value="1"<?php
             if($_['set_allow_pwchange'])
                 p(' checked');
  ?>><br>
  <em><?php p($l -> t('Allow changing passwords. Imposes a security risk as password salts are not recreated')); ?></em></p>
  
             <p><label for="col_displayname"><?php p($l -> t('Real Name Column')); ?></label><input type="text" id="col_displayname" name="col_displayname" value="<?php p($_['col_displayname']); ?>" /></p>
             
             <p><label for="set_crypt_type"><?php p($l -> t('Encryption Type')); ?></label>
                 <?php $crypt_types = array('md5' => 'MD5', 'md5crypt' => 'MD5 Crypt', 'cleartext' => 'Cleartext', 'mysql_encrypt' => 'mySQL ENCRYPT()', 'system' => 'System (crypt)', 'mysql_password' => 'mySQL PASSWORD()', 'joomla' => 'Joomla MD5 Encryption', 'joomla2' => 'Joomla > 2.5.18 phpass', 'ssha256' => 'Salted SSHA256', 'redmine' => 'Redmine'); ?>
                 <select id="set_crypt_type" name="set_crypt_type">
                     <?php 
                         foreach ($crypt_types as $driver => $name):
                             //echo $_['set_crypt_type'];
                             if($_['set_crypt_type'] === $driver): ?>
                                 <option selected="selected" value="<?php p($driver); ?>"><?php p($name); ?></option>
                             <?php else: ?>
                                 <option value="<?php p($driver); ?>"><?php p($name); ?></option>
                             <?php endif;
                         endforeach;
                     ?>
                 </select>
             </p>
             
             <p><label for="col_active"><?php p($l -> t('User Active Column')); ?></label><input type="text" id="col_active" name="col_active" value="<?php p($_['col_active']); ?>" /></p>
             
             <p><label for="set_active_invert"><?php p($l -> t('Invert Active Value')); ?></label><input type="checkbox" id="set_active_invert" name="set_active_invert" value="1"<?php
             if($_['set_active_invert'])
                 p(' checked');
             ?> /><br>
             <em><?php p($l -> t("Invert the logic of the active column (for blocked users in the SQL DB)")); ?></em></p>
 
         </fieldset>
         
         <fieldset id="sql-3">
             
            <p><label for="col_email"><?php p($l -> t('E-Mail Column')); ?></label><input type="text" id="col_email" name="col_email" value="<?php p($_['col_email']); ?>" /></p>
             
             <p><label for="set_mail_sync_mode"><?php p($l -> t('E-Mail address sync mode')); ?></label>
                 <?php $mail_modes = array('none' => 'No Synchronisation', 'initial' => 'Synchronise only once', 'forceoc' => 'ownCloud always wins', 'forcesql' => 'SQL always wins'); ?>
                 <select id="set_mail_sync_mode" name="set_mail_sync_mode">
                     <?php
                     foreach ($mail_modes as $mode => $name):
                         //echo $_['set_mail_sync_mode'];
                         if($_['set_mail_sync_mode'] === $mode): ?>
                             <option selected="selected" value="<?php p($mode); ?>"><?php p($name); ?></option>
                         <?php else: ?>
                             <option value="<?php p($mode); ?>"><?php p($name); ?></option>
                         <?php endif;
                     endforeach;
                     ?>
                 </select>
             </p>
             
         </fieldset>
         
         <fieldset id="sql-4">
             
             <p><label for="set_default_domain"><?php p($l -> t('Append Default Domain')); ?></label><input type="text" id="set_default_domain", name="set_default_domain" value="<?php p($_['set_default_domain']); ?>" /><br>
                 <em><?php p($l -> t('Append this string, e.g. a domain name, to each user name. The @-sign is automatically inserted.')); ?></em>
             </p>
             
             <p><label for="set_strip_domain"><?php p($l -> t('Strip Domain Part from Username')); ?></label><input type="checkbox" id="set_strip_domain" name="set_strip_domain" value="1"<?php
             if($_['set_strip_domain'])
                 p(' checked');
             ?> /><br>
             <em><?php p($l -> t("Strip Domain Part including @-sign from Username when logging in and retrieving username lists")); ?></em></p> 
             
         </fieldset>
         
         <fieldset id="sql-5">
            <p><label for="set_enable_gethome"><?php p($l -> t('Enable support for getHome()')); ?></label><input type="checkbox" id="set_enable_gethome", name="set_enable_gethome" value="1" <?php
             if($_['set_enable_gethome'])
                 p(' checked');
             ?>/></p>
             
             <p><label for="set_gethome_mode"><?php p($l -> t('Method for getHome')); ?></label>
                 <?php $gethome_modes = array('query' => 'SQL Column', 'static' => 'Static (with Variables)'); ?>
                 <select id="set_gethome_mode" name="set_gethome_mode">
                     <?php
                     foreach ($gethome_modes as $mode => $name):
                         //echo $_['set_mail_sync_mode'];
                         if($_['set_gethome_mode'] === $mode): ?>
                             <option selected="selected" value="<?php p($mode); ?>"><?php p($name); ?></option>
                         <?php else: ?>
                             <option value="<?php p($mode); ?>"><?php p($name); ?></option>
                         <?php endif;
                     endforeach;
                     ?>
                 </select>
             </p>
             
             <p><label for="col_gethome"><?php p($l -> t('Home Column')); ?></label><input type="text" id="col_gethome" name="col_gethome" value="<?php p($_['col_gethome']); ?>"></p>
             
             <p><label for="set_gethome"><?php p($l -> t('Home Dir')); ?></label><input type="text" id="set_gethome" name="set_gethome" value="<?php p($_['set_gethome']); ?>"><br>
             <em><?php p($l -> t('You can use the placeholders %%u to specify the user ID (before appending the default domain), %%ud to specify the user ID (after appending the default domain) and %%d to specify the default domain')); ?></em></p>
             
         </fieldset>
         <input type="hidden" name="requesttoken" value="<?php p($_['requesttoken']); ?>" id="requesttoken" />
         <input type="hidden" name="appname" value="user_sql" />
         <input id="sqlSubmit" type="submit" value="<?php p($l -> t('Save')); ?>" />
         <div id="sql_update_message" class="statusmessage"><?php p($l -> t('Saving...')); ?></div>
         <div id="sql_loading_message" class="statusmessage"><?php p($l -> t('Loading...')); ?></div>
         <div id="sql_verify_message" class="statusmessage"><?php p($l -> t('Verifying...')); ?></div>
         <div id="sql_error_message" class="errormessage"></div>
         <div id="sql_success_message" class="successmessage"></div>
     </div>
 </form>
 </div>