Got the first js minify test to pass.

Related to #138
Removing the debugger hints.
Got all of the js minify tests to pass.

Related to #138
Test for uglify

Added a test for using uglify as the compressor. Related to #138
Changed the gruntfile so you can run individual tests

You can do: grunt test:open to run the tests for the opener or grunt test:css to run the tests for the css compressor.

Related to #138
Made apps and packages have a callback

Previously these functions were fire-and-forget style, but changing them will allow us to expose these as external apis that can be `require`d.

Related to #138
Fixed tests for `apps`

The test of the apps module are now working. Related: #138