add paperclip gem for avatar use, add validation on users
add migration for avatar
working with this gem
working on paperclip
fix validation errors
Merge pull request #64 from ospreys-2014/user_branch

User branch
Pulling from master
Deletes extra phantom CSS file
Merge branch 'front_end' of https://github.com/ospreys-2014/Kendrick into front_end