Fix bar and line controllers to convert strings to numbers when stacking#2926

Merged

etimberg merged 2 commits intomasterfrom fix/2915

Jul 13, 2016

+128-43

Commits on Jul 6, 2016

Fix bar and line controllers to convert strings to numbers when considering the values for stacking the chart. Simplified the base calculation for the bar charts and added test coverage to ensure t…
etimberg
committed

Commits on Jul 9, 2016

Fix JSHint warnings and remove commented code
etimberg
committed