added preliminary cart edit feature and fix tableview cells xib
completed cart edit feature
some refactoring and added pre-fetch product images, still problematic on start
fixed image pre-cached problem, added composite product image on home
added default item and choice selection by last order
completed initial version of composite image view
- account table completed

P.S. network call put "/users/{userId}" return 405.
Merge branch 'master' into maximal

Conflicts:
	ToSavour.xcodeproj/project.pbxproj
	ToSavour/Utilities/TSLocalizedString.h