modularized cell view in feed, takes data as well.
Merge branch 'registration' of https://github.com/givery-technology/Attache into feedCaching

Conflicts:
	iOS/Attache.xcodeproj/project.pbxproj
	iOS/Attache/GAFeedCell.m
	iOS/Podfile
	iOS/Podfile.lock
	iOS/Pods/Manifest.lock
	iOS/Pods/Pods.xcodeproj/project.pbxproj
	iOS/Pods/Target Support Files/Pods-AFNetworking/Pods-AFNetworking-Private.xcconfig
	iOS/Pods/Target Support Files/Pods-Bolts/Pods-Bolts-Private.xcconfig
	iOS/Pods/Target Support Files/Pods/Pods-acknowledgements.markdown
	iOS/Pods/Target Support Files/Pods/Pods-acknowledgements.plist
	iOS/Pods/Target Support Files/Pods/Pods-environment.h
	iOS/Pods/Target Support Files/Pods/Pods.debug.xcconfig
	iOS/Pods/Target Support Files/Pods/Pods.release.xcconfig