Reverts Bogus Changes.

settings/ajax/creategroup.php

@@ -7,7 +7,7 @@ $groupname = $_POST["groupname"];
 
 // Does the group exist?
 if( in_array( $groupname, OC_Group::getGroups())) {
-	OC_JSON::error(array("data" => array( "message" => 'Group already exists' )));
+	OC_JSON::error(array("data" => array( "message" => $l->t("Unable to add group") )));
 	exit();
 }
 
@@ -16,5 +16,5 @@ if( OC_Group::createGroup( $groupname )) {
 	OC_JSON::success(array("data" => array( "groupname" => $groupname )));
 }
 else{
-	OC_JSON::error(array("data" => array( "message" => 'Unable to add group' )));
+	OC_JSON::error(array("data" => array( "message" => $l->t("Unable to add group") )));
 }