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.
Added scatter chart.
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.
Added pandas dataframe and groupby compatibility.
Added some styling properties to quads and rects.
Updated example ipynb.
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.
Added legends.
fix #571
fix problem with num minor ticks args
Added support for server based plots.
Deleting some styling in legends at the coffee level.
Added a flag to avoid the wheel tool in categorical plots.
Used a helper set_an_ get function to avoid code duplication.