aurelia-firebase version 0.2.1-beta

• Downgraded few Karma dependencies to fix coverage and test stability issues

You can get the project coverage result with gulp cover
Bellow is an example of coverage for this version. Results are generated into the ./coverage directory

Coverage has been enabled on CircleCI too. Each build now produces its own coverage artifacts :
eg: https://circleci.com/gh/PulsarBlow/aurelia-firebase/33#artifacts