Added basic xkcd styling functionality.
Fixed the lack of TextProperties in the title.
Specified better the font to use in the xkcd styling.
Fixed imports in ggplot examples.
Fixed formatting of title when xkcd argument is passed.
remove redundant rgba_image.py
Merge branch 'master' into xkcd
Fixed docstring default xkcd to False.
do not test image plots, phantomjs cannot handle
fix up prim.py script to pass test
remove spurious log
fix overlooked init->dinit switch for Ticker creation
maps.py is file example, not server
Merge branch 'master' into cleanup_tests
remove data_select_tool for now

Issue for restoring it: https://github.com/ContinuumIO/bokeh/issues/499
remove data_select_tool.py test for now
on js side use new, not Collection.Create
Map no longer gives you a list in py3, so you can make it a list to be suscriptable.
exclude remote_image.py because of phantomjs limitations
Fixed remaining py3 errors: another map and npint as a python type.