updated activesync engine to latest as12.1 code from Andreas B:

- adding better support for non strict protocol implementations to improve device compatibility
- fixing an issue of iOS Mail App crashing, due to server reporting changes not requested by client during message fetch.
- adding support for multiple profiles(with different usernames) on one device to one server. (iOS) 
- Protocol Version 14.1 is now offered to the client
- general improvements to request handling
Updated egw backend and all plugins to be compatible with latest changes to sync engine.

ATTENTION: profiles need to be recreated on the devices.

addressbook/inc/class.addressbook_activesync.inc.php

@@ -318,7 +318,7 @@ class addressbook_activesync implements activesync_plugin_write, activesync_plug
 	 * @param bool $mimesupport
 	 * @return $messageobject|boolean false on error
 	 */
-	public function GetMessage($folderid, $id, $truncsize, $bodypreference=false, $mimesupport = 0)
+	public function GetMessage($folderid, $id, $truncsize, $bodypreference=false, $optionbodypreference=false, $mimesupport = 0)
 	{
 		if (!isset($this->addressbook)) $this->addressbook = new addressbook_bo();
 

calendar/inc/class.calendar_activesync.inc.php

@@ -675,10 +675,11 @@ class calendar_activesync implements activesync_plugin_write
 	 * @param string|array $id cal_id or event array (used internally)
 	 * @param int $truncsize
 	 * @param int|bool $bodypreference=false
+	 * @param $optionbodypreference=false
 	 * @param int $mimesupport=0
 	 * @return SyncAppointment|boolean false on error
 	 */
-	public function GetMessage($folderid, $id, $truncsize, $bodypreference=false, $mimesupport = 0)
+	public function GetMessage($folderid, $id, $truncsize, $bodypreference=false, $optionbodypreference=false, $mimesupport = 0)
 	{
 		if (!isset($this->calendar)) $this->calendar = new calendar_boupdate();