allow date format y labels.  Date (no time) only so far, will fix
added area geom
enable date formatted yfacet
added facetMargin option to dimensions to control y facet
Set area fill to Fill instead of Color aesthetic
facetMargin fix configuration to work with 0
only poistion brushes if brushes enabled
hack to move y label inside graph area.  make this configurable
fix another location where brush existence is assumed wrongly
HACK use local javascript
include g3widget in javascript
Area fixes after merge
includes fix lost includes
includes fix lost includes
use external includes
Airpassengers is demo of area plot
Fix line 'animations' - color is a transition not a permanent state
comment
Add Range property to plotspec to allow actual colors used to be overridden
don't color lines from the group aesthetic - only the color aesthetic