Merge branch 'Migraton_Error' into 'master'

Fixes #1295 Signature warnings and undefined constant

See merge request !643

modules/Calendar/actions/DragDropAjax.php

@@ -267,7 +267,7 @@ class Calendar_DragDropAjax_Action extends Calendar_SaveAjax_Action {
 					$resultDateTime = $this->changeDateTime($oldEndDateTime,$dayDelta,$minuteDelta,$secondsDelta);
 					$parts = explode(' ',$resultDateTime);
 					$record->set('due_date',$parts[0]);
-					if(activitytype != 'Task') {
+					if($activitytype != 'Task') {
 						$record->set('time_end',$parts[1]);
 					}
 

modules/Migration/models/Module.php

@@ -25,7 +25,7 @@ class Migration_Module_Model extends Vtiger_Module_Model {
 	 * Static Function to get the instance of Vtiger Module Model for the given id or name
 	 * @param mixed id or name of the module
 	 */
-	public static function getInstance($value) {
+	public static function getInstance($value=null) {
 		return new self($value);
 	}
 	

modules/Reports/models/Record.php

@@ -131,7 +131,7 @@ class Reports_Record_Model extends Vtiger_Record_Model {
 	 * @param <String> $module
 	 * @return <Reports_Record_Model>
 	 */
-	public static function getInstanceById($recordId) {
+	public static function getInstanceById($recordId, $module=null) {
 		$db = PearDatabase::getInstance();
 
 		$self = new self();