Merge pull request #23 from concreted/inlin

HTML included inline in content.js, DOM scraping working
Added basic d3 chart but still needs bower_components for angular c3
Merge pull request #28 from Warrenty/inline

Added basic d3 chart but still needs bower_components for angular c3
Add C3 charts with angular-c3. Add bower.json. Extension only injects button on Yahoo pages.