issue #20715: made grandpa kind
issue #20715: massaging time-series data
issue #20715: added todo
issue #20715: share most of processdata
issue #20715: fixes to bar chart
issue #20715: processed data should be chart data
issue #20715: use collection instead of rawdata
issue #20715: more abstraction
issue #20715: first effort at histogram
issue #20715: resolve date axis
issue #20715: filled in holes for nvd3
issue #20715: cleanup
issue #20715: translations
issue #20715: got bar chart working with models
Merge pull request #540 from shackbarth/20715

issue #20715: sales history time series chart