home feed description now shows tags (those not in body)
when uploading, tags in body are added to pool of existing tags
fixed bugs in search algorithm
fixed animations for collectionviewcells
fixed bug with search (again)
minor changes (disregard)
still working on follower and following stuff
Merge remote-tracking branch 'origin/eric' into bala

Conflicts:
	ParseStarterProject/HomeFeedController.swift
	ParseStarterProject/Main.storyboard
Finished user profile followers and following front-end and back-end