First implementation of bokeh.chart histogram. I support kwargs and chained method for some plot customization.
Add kiwi shim
Deleted unused commented code, adding basic bar plotting. Reorganizing the data adquisition.
move some things to plot_utils.coffee
remove unused junk
Added stacked and grouping bar charts. Took an 'all insid the datasource' approach.
initial refactor of plot and gmap plot

pull all canvas related code into canvas.coffee, add initial
stab at panel.coffee and cartesian_frame.coffee
better default canvas size and respect plot size
remove some unused module refs
refactor GMapPlot to remove dupe code
get rid of annoying border_symmetry
separation of concerns for plot/canvas views
remove some junk
fix dumb typo set_default
Made notebook option chained.
Added an intermediate proto class to inherit diferent chart types.
Added charts notebook examples.
inline missing kiwi dep tsu.js
pass property names to getters and setters
canvas inherits from panel