Use charAt() instead of regex for efficiency.
Fixed Todo e2e test suite

- Updated Todo e2e test suite to work with AngularFire 0.8 API
- Improved protractor error reporting
- Removed option in Travis file which only ran Travis in the master
branch
Merge branch 'release_0.8' of github.com:firebase/angularFire into release_0.8
Removed unnecessary code
Merge pull request #335 from firebase/todo_e2e

Fixed Todo e2e test suite
Merging with release_0.8 branch