"MDL-16384, add text to descripe what is alfresco API url is"

lang/en_utf8/repository_alfresco.php

@@ -1,5 +1,6 @@
 <?php
 $string['alfresco_url'] = 'Alfresco URL';
+$string['alfrescourltext'] = 'Afresco API url should be: http://yoursite.com/alfresco/api';
 $string['configplugin'] = 'Alfresco configuration';
 $string['notitle'] = 'notitle';
 $string['repositoryname'] = 'Alfresco repository';

repository/alfresco/repository.class.php

@@ -191,6 +191,7 @@ class repository_alfresco extends repository {
             return false;
         }
         $mform->addElement('text', 'alfresco_url', get_string('alfresco_url', 'repository_alfresco'), array('size' => '40'));
+        $mform->addElement('static', 'alfreco_url_intro', '', get_string('alfrescourltext', 'repository_alfresco'));
         $mform->addRule('alfresco_url', get_string('required'), 'required', null, 'client');
         return false;
     }