Update dependencies
Updating code, dependencies and fixing things

- Fixed for Bootstrap 3.1 changes
- Fixed for Angular 1.2 changes
- Added CONTRIBUTING.md guidelines
- Updated bower.json
Include themes in CSS dist
Updating the README
Adds stacked area chart capability to d3-area

Specifying multiple y columns will stack the areas.
Merge branch 'stacked-area-charts'
Improvements to transitions, resizing and layouts

Some refactoring to support better behavior when resizing and updating
data. Improved transitions for chart elements where simple transitions
work.
Merge pull request #16 from WealthBar/improve-transitions-and-layouts

Improvements to transitions, resizing and layouts
Tagging version 0.0.2
Updating built version of AngularD3

- Moved to the root of the project rather than /dist
- Included uglified version as angularD3.min.js
- Updated bower.json main endpoint
- Tagged version 0.0.3