Changed gitignore
Added user auth
Added some new models and skeleton files
Login with Auth
login with auth
Merge pull request #18 from Warrenty/master

Auth Services, html, and Controller
Merge pull request #19 from xue0chao/master

Created new branch to pull to
Changed server port
User preferences backend operations - first draft
Merge pull request #23 from xue0chao/master

Added user preferences and like/disliked image operations on the server