Build: Bump contrib-connect version
Testing: Mocha middleware implementaiton

- Filteres index, ajax, and non-html requests
- Rework Mocha globbing to use the URL format to correctly serve through
  PhantomJS
- Re-align URL mapping to Mocha
- copy minified Assets during pre-mocha
Travis: Run Mocha tests on build
Prettify: Fix URL in loading test
Test: fix unit tests to work with middleware (#3468)

Conflicts:
	src/plugins/prettify/test.js
Merge pull request #3468 from nschonni/v4-mocha-middleware

V4 mocha middleware