Added mongodb service to .travis.yml

Change-Id: Ia493cbbf05a715b7fd27717f7a4136616f750486
Update README.md

added build status logo
Update README.md

moved the badge ...
Start of new convention
Merge pull request #286 from adaptlearning/api_convention

Start of new convention
Merge branch 'develop' of github.com:adaptlearning/adapt_authoring into initial-rework
On-going re-work to front-end

Changes include:
- removed the /frontend/backbone folder
- models and views now reference the renamed 'isAuthenticated' attribute
- re-worked the logIn call to return 'email' and 'id' in the response