Added Photo Library and Crop View
Merge branch 'using-assets-library'

Conflicts:
	Shonstagram.xcodeproj/project.pbxproj
	Shonstagram/SBCameraViewController.m
	Shonstagram/SBImagesTableViewController.m
	Shonstagram/SBMediaFullScreenViewController.h
	Shonstagram/SBMediaFullScreenViewController.m