Use valid attribute for user tests
Update Checkpoint tests
Update Checkpoint completion tests
Update lesson test
Update section test
Refactor identity test
Merge pull request #2 from HeroicEric/add_valid_attribute

Add valid attribute
Current user context on client side
Add test helper for setting current user
Update ember and ember data

- Update ember to v1.0.0-242-gada1be9
- Update ember data to v1.0.0-beta.3-38-g940bc57
Merge pull request #3 from HeroicEric/update_ember

Update ember and ember data
Merge branch 'master' of github.com:HeroicEric/doubt into auth
Merge pull request #4 from HeroicEric/auth

Auth
Merge branch 'master' of github.com:HeroicEric/doubt into markdown