Downgrades karma-coverages, uses phantomJS to run unit test, and
finally adds gulp unit as the test runner. Karma was having issues
with Chrome+Browserify. Unit tests still do not run since the example
services were removed.
Change-Id: I8973a1e12b0b2af992bea5da552aae0736dcdf9c
Adds boilerplate files from `angularjs-gulp-browserify-boilerplate`
to start work on Angular rewrite of the frontend.
Change-Id: I54392c24f397496582f9d06d561d5c14a92ccbe6