Updated documentation

Author: Thorsten Bux

6_Unity/unity_about.md

@@ -13,9 +13,9 @@ You do not need to do a single line of scripting to begin working with ARToolKit
 ##Requirements
 
 -   A webcam or other video source supported by ARToolKit.
--   Unity Pro v3.5.2f2 or later, for Mac OS X or Windows (development platform).
--   If deploying to Android, Unity Pro for Android.
--   If deploying to iOS, Unity Pro for iOS plus Apple's Xcode v4.2 or later.
+-   Unity v5.0 or later (tested with 5.2.3 and 5.3.4), for Mac OS X or Windows (development platform). Personal edition is sufficient. 
+-   If deploying for Android: Android build support to build a Unity app for the Android platform.
+-   If deploying for iOS: iOS build support to build a Unity app for the iOS platform plus Apple's Xcode v4.2 or later.
 
 ##Index
 

6_Unity/unity_scripts.md

@@ -44,6 +44,7 @@ The ARTrackedObject generates the following events using Unity's SendMessage com
 
 -   void OnMarkerLost(ARMarker marker)
 -   void OnMarkerFound(ARMarker marker)
+-   void OnMarkerTracked(ARMarker marker)
 
 ## AROrigin
 Represents the center of the ARToolKit world and is the root of the scene. Normally can be placed at {0, 0, 0}, but you may move it elsewhere, if you wish. The ARCamera and every ARTrackedObject should be children to this object. This allows for a few benefits: