Fix bug: pass correct options to registerJsonLint
Istanbul for code coverage, real integration test
Remove blanket from the project
Add mocha dependency (peer of mocha-istbanbul)
Update dependencies

Major versions:

- grunt-jscs

Minor versions:

- grunt-contrib-copy
- grunt-mocha-cli
- grunt-shell

Patch versions:

- grunt-env
Update dev dependencies
Remove coverage dir from repo
README tweaks after changes to code coverage setup
New env-js task, loading env vars from env.js
Clean up test-all file targets