Make Legend.legends' type more specific
Allow serialization of datetime.time objects
Example plot showing daylight hours for Warsaw, Poland (2013)
Removed old ggplot stuff.
Removed additional files in main bokeh folder.
fix missing var error in bokehjs
rename uri->url for image url glyph
fix up test from rename
Add bokeh.sampledata.daylight
Compute locations of time zone texts
Add has_ref=True to Legend.legends
more test fixes
doc updates for image url glyph
fix typo
add example for image_url
py3 fix
change default server and make default configurable

uer 'shelve' backend by default on all platorms but allow
setting the default backend with the environment variable
BOKEH_SERVER_DEFAULT_BACKEND
add error message for unrecognized backend
Fix PlotObject.collect_plot_objects() to work with dict
Tuple gets has_ref attribute