lots of changes in this commit. most of the changes are related to
retrieving activity data from the api.  also optimized  some of the
methods in the UserService object and cleaned up logic in the login and
signup controllers.  a user is now able to signup/login and retrieve their
activity reliably.
Merge pull request #58 from stateoflux/master

lots of changes in this commit. most of the changes are related to
implemented logic that will load initialize the currentUser object with the most recent user details from local storage
fixed issue where topBar.html producing a weird 404 error.  turns out you can't have spaces within angulars binding braces.
removed unnecessary 'starter' project templates
added a username field to signup-login template.  username field only displays in signup view
cards flip, but front is still visible for some reason
Merge pull request #59 from stateoflux/master

implemented logic that will load initialize the currentUser object with ...
added ionic's 'loading' service to the signup-login template
Merge branch 'master' of https://github.com/Fittr/fittr
card flipping working on demo /#/flip angular route
merge fittr master
fixed broken bower.json file
Merge pull request #63 from stateoflux/master

Added Ionic's "loading" service (loading spinner) to the sign-login template
Merge pull request #64 from sarchila/master

card flipping working on demo /#/flip angular route