Add NSPlot and NSXYPlot as basis for switching everything to New Style Plots
Moved Pie Plot to extend NSPlot without any mixin stuff
StackedPlot extends NSXYPlot
NewStyleBarPlot extends NSXYPlot
Move the NewStylePlotTests over to NSXYPlot
Delete NewStylePlot
Convert ScatterPlot over to NSXYPlot. Update tests and quicktests appropriately
Redid stack logic to split into positive negative
Adding baseline and fixing extent logic
Aligning attributes to support negative
Adding tests
Forgot to remove svg
Forgot semicolons
Squashing valueNegative variable
data -> datasets
Combining extract positive/negative datasets
Removing dataset argument
_stack returns the data that has been stacked
Removing newline
Adding private function comments