Add tar.gz tarball
Bump version, fix download link in example charts
Fix minor style issues in example
Upgrade Chart.js to 1.0.1-beta.4
Add `chart-base` directive to allow setting the chart type dynamically
Bump version, dist
Bump
Merge branch 'master' into gh-pages

Conflicts:
	bower.json
	dist/angular-chart.js.tar.gz
	gulpfile.js
	index.html
	package.json