MOSYNC-2828 "On wp7 platform 'maGetScrSize()' returns the same values disregarding the screen orientation"
Merge remote-tracking branch 'spiri/ThreeThree' into ThreeThree.
MOSYNC-2857 "Add iOS support for ImageButton pressed image."
Rename pressedImageHadle property.
Synthesize pressedImageHandle and pressedImagePath properties.
Merge remote-tracking branch 'github_bogdan/ThreeThree' into ThreeThree
MOSYNC-2881: done
	- getChild overridden - now returns screens from the stack screen
	- added a new method to the stack screen wrapper: getScreen - returns
	a screen based on an index