Feat(CORE) - Verification if supann plugin is installed

Verification if supann plugin is installed

plugins/configuration/tasks/class_tasksLifeCycle.inc

@@ -117,7 +117,14 @@ class tasksLifeCycle extends simplePlugin
   {
     parent::__construct($dn, $object, $parent, $mainTab);
     $this->attributesAccess['fdShowInformation']->setInLdap(FALSE);
-    $this->setSupannStates();
+
+    if (class_available('supannAccountStatus')) {
+      $this->setSupannStates();
+    } else {
+      $warning = new FusionDirectoryWarning(htmlescape(_('The plugin Supann does not seem to be installed !')));
+      $warning->display();
+    }
+
   }
 
   /*

plugins/configuration/tasks/class_tasksManagement.inc

@@ -28,7 +28,7 @@ class tasksManagement extends management
   *  TasksColumn is a new class for Tasks based on argonaut column definition
   */
   public static $columns = [
-    //below fdTasksMailObject must be change to have a type defined within task creation (new ldap attributes ?hidden)
+    //below fdTasksMailObject must be changed to have a type defined within task creation (new ldap attributes ?hidden)
     ['LinkColumn',  ['attributes' => 'cn', 'label' => 'Tasks']],
     ['TasksColumn', ['attributes' => 'fdTasksMailObject', 'label' => 'Types']],
     ['Column', ['attributes' => 'fdTasksCreationDate', 'label' => 'Creation Date']],