* Use blanket as the coverage reporter.
* Install `grunt-blanket-mocha` to handle reporting results to grunt.
* Set up new grunt task, `grunt coverage` for reporting.
* Add more front end tests where coverage was lacking.
* Hook up code coverage results to the intern by running tests in PhantomJS
* Only enable code coverage if explicitly requested
* Only enable front end tests in dev mode.
* Fix code that gave PhantomJS problems (Function.prototype.bind)
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