fixed color for legend and boxPlot options
Merge remote-tracking branch 'upstream/master' into boxPlot
exposed tickFormat and duration for boxplots
removed util changes
Merge remote-tracking branch 'remotes/upstream/master'
expose _legendWidth and _itemWidth
Merge remote-tracking branch 'remotes/upstream/master'
allow horizontal columns for large legends
removed boxPlot Changes
Implemented multi-dimensional filtering for heat maps

- filter handling now accepts arrays as filter keys.
- brush filters no longer use arrays, but the RangedFilter utility
Adding example for heatmap filtering across multiple charts

Fixed bug where bar chart wouldn't update colors on rerender
Fixed a bug where zooming would lose the RangeFilter functionality
Fixed issue with web renderer test
Added heatmap row and column filtering.
Converted heatmap tests to jasmine
Converted base chart vows tests to jasmine specs
Fixed bug where heatmap filtering would rely on array equality
Merge pull request #413 from matthull/spec-lint

added specs folder for linting
Converted boxplot tests to jasmine
Added back boxplot coloring specs removed in 089a4b7