-fix bug in cache for atlas import/export

-fix some menus
-fixed bug in out transition curves
-detect and remove file:/// in collada
-remove multiscript for now
-remove dependencies on mouse in OS, moved to Input
-avoid fscache from screwing up (fix might make it slower, but it works)
-funcref was missing, it's there now

platform/isim/detect.py

@@ -74,6 +74,7 @@ def configure(env):
 							'-framework', 'OpenGLES',
 							'-framework', 'QuartzCore',
 							'-framework', 'AudioToolbox',
+							'-framework', 'MediaPlayer',
 							'-F$ISIMSDK',
 							])