add Built with Grunt badge
Update deps. Use new assert and test helpers.
Fix path to original default.scss.
Use reveal.js 2.6.1 by default.

This version now includes updates we needed. So no need to use a commit aha anymore.
Update CHANGELOG.
Drop v0.8 from Travis. Add v0.11. instead.

Mocha does not like 0.8 anymore.
Convention is to use a file named coffeelint.json.
Little stricter linting.
Prepare v0.3.3.
Simplify npm-scripts.
Update CHANGELOG.
Prepare 0.3.4.