Add styling and fix typos of feedback system.
Merge branch 'master' of https://github.com/chinhtle/ShoppingGuide

Conflicts:
	ShoppingGuide.v11.suo
	ShoppingGuide/bin/ShoppingGuide.dll
	ShoppingGuide/bin/ShoppingGuide.pdb
	ShoppingGuide/obj/Debug/ShoppingGuide.csprojResolveAssemblyReference.cache
	ShoppingGuide/obj/Debug/ShoppingGuide.dll
	ShoppingGuide/obj/Debug/ShoppingGuide.pdb