added qualitative color schemes to colorbrewer.js
added qualitative color scales to colorbrewer.css
Merge pull request #1027 from deanmalmgren/master

Add qualitative schemes to colorbrewer.js and colorbrewer.css
fixed: NaN path coordinates when specifying a function for startAngle of a pie layout
Merge branch 'master' of https://github.com/ilyabo/d3 into 3.1.0