added a few more tests for userService.js
Merge branch 'test_user_service'
added tests for the UserService signup and retrieve methods
fixed issue with images not displaying while in embedded webview mode.  my relative url is incorrect
removed the oauth.io package since were going to go with a passport based solution to authorize with fitbit.
removed dummy connect to fitbit button.
some basic cleanup of the entry screen ui
made several changes to clean up the ui of the home page and user signup page.
to fix merge conflicts on index.html
Merge pull request #34 from stateoflux/master

UI Changes