Change build process to support more common less syntax.
Added files for area chart.
Area chart improvements. WIP
Making area chart stackable.
Area chart. Done, finished.
Proper mapping.
Cleanup.
Merge branch 'master' of https://github.com/celtra/pillow into area-chart

Conflicts:
	demo/index.html
	src/pillow.coffee
Added area chart to the pillow.