refactor RestManager and added app friends discovery with fb/ab/contacts
wire up gift coupon sending flow and others, transac hist to be completed
added facebook and address book contacts invitation and improves header views
Fix image resize low-res problem, porting in UIImage-Resize
Merge branch 'maximal'

resolved conflicts:
	ToSavour/Utilities/TSLocalizedString.h
fix numerous UI details, model, and deadlock problem
added search to friends list, fix coupon flow, add recipient remove button