First implementation of bokeh.chart histogram. I support kwargs and chained method for some plot customization.
Deleted unused commented code, adding basic bar plotting. Reorganizing the data adquisition.
Added stacked and grouping bar charts. Took an 'all insid the datasource' approach.
Made notebook option chained.
Added an intermediate proto class to inherit diferent chart types.
Added charts notebook examples.
adding icons to bokeh controls, refactor frame slightly
updating frame
Added scatter chart.
updating plot frame per team feedback
Merge branch 'master' into lila/frame-improvements
Made histogram robust to acepted an ordered dict to plot multiple histogram. Added some additional helper methods to avoid code duplication. Used a better color scheme.
adding tooltips on hover
Added pandas dataframe and groupby compatibility.
Added some styling properties to quads and rects.
Updated example ipynb.
correcting problems noted on PR by @mattpap
Added axis labels and notice if the user do not pass a filename (and s/he is not using the notebook).
Deleting some commented stuff and fixing some sapces.
a few enhancements for travis_install