Adding bower.json

Fixes #3
Bumping Version to 1.1.0
Merge pull request #17 from wrumsby/bower

Adding Bower Support
Creating 1.1.0 Tag
Fixing up package.json
Bumping Verion in bower.json to 1.1.0
Added submodule doctheme
Add Support for assert.deepEqual and assert.deepNotEqual

Fixes #18
Bumping Version to 1.2.0
Updated Bower Instructions

`ristretto` is now registered with Bower so

    bower install ristretto

works and is much simpler.
Summarised API
Update README.md
Add isTruthy and isFalsey
Replaced API docs with Examples
You wrote comma, but you meant semi-colon