Added bower.json support

This pull request resolves #6 .

To test or use this right now:
bower install git://github.com/philipbjorge/Kernel.js.git#2.7.5 --save

To integrate and maintain this change, you'll have to do the following:
1. Accept the pull request and tag it with 2.7.5
2. bower register Kernel.js git://github.com/alindsay55661/Kernel.js.git
3. Every time you bump up kernel's version, add a tag to that commit with the version number.