adds feature spec for inviting friends
repairs custom time format
adds admin/videos controller and authenticated controller
adds admin to users
adds admin/video/new view and route
adds admin controller for require_admin
adds admin/videos controller
adds tests for admin/video/new
extracts reviews display into a partial
failed attempt at ajax
deletes  code duplicated in partial
adds video create function
adds tests for create function
adds carrierwave and minimagic gems
adds file uploaders