Bugfixes in TrayFeeder and Aligner

Aligner
=======
- Fixed Aligner during resetting with library update to 1.3.4
- Added Vacuum valve to HMI

Etcher
======
- Added Vacuum valve to HMI

TrayFeeder
==========
- Fixed a bug in protocoll parsing
- Added automatic reconnect tries to protocoll handler
- Added buttons to hmi interface for tray feeding and unloading

PLC/01_Stationen/TrayFeeder/ST_HMI_TrayFeeder.TcDUT

@@ -4,6 +4,15 @@
     <Declaration><![CDATA[TYPE ST_HMI_TrayFeeder :
 STRUCT
 	stStationCmds : ST_HMI_PackML;
+	
+	// Button to feed tray with number
+	stFeedTray : ST_HMI_CONTROL_BUTTON;
+	
+	// Number of tray to feed
+	uiTrayNr : UINT;
+	
+	// Button to move trayfeeder to loading position
+	stUnloadFeeder : ST_HMI_CONTROL_BUTTON;
 END_STRUCT
 END_TYPE
 ]]></Declaration>