Merge pull request #13 from kaybomv/api

Moved off of Angular routing
Delete layout.jade
Delete signUp.jade
Delete logIn.jade
Delete index.jade
Delete groups.jade
Delete flashcards.jade
Delete create-group.jade
Delete .DS_Store
Delete masthead.jade
Delete masthead.html
Delete .DS_Store
Merge pull request #16 from kaybomv/api

Merge
Delete old_server.js
Simplified CSS