filled in actions for image sets controller
commented out user related stuff
added database-cleaner gem
fixed gemfile, configured rspec
added relations for models
enabled associations on factories
updating strong params for image sets controller
touched basic jbuilder files
uncommented jbuilder include in gemfile
removed render json stuff from controllers
removed status code requests from specs, dunno how to do them
fleshed out show.json.jbuilder files
final push, ready to merge into upstream