merge with develop
adding user profile videos cucs + steps
adding all_tags method to Project model
adding filtering by project tags to User_controller
adding missing specs to user_helpers for youtube methods
spelling fix and more about dates for about page
a fix after pairing with Alex for custom error handling
fixed articles controller spec
Fixed Rspec errors
minor refactoring of youtube authentication and corresponding specs
added missing spec for unlinking youtube channel
code and specs to handle more than 50 videos in youtube response
cucs and steps for sorting videos by published date
Cukes failing for the code I wish I had.
Cukes passing for first scenario.
cuke failing for password confirmation