Replace bokeh.objects with bokeh.models
Replace bokeh.glyphs with bokeh.models.glyphs
Replace bokeh.widgets with bokeh.models.widgets
Add deprecate_module() to bokeh.deprecate
Deprecate bokeh.{objects,glyphs,widgets}

$ python -Qwarn -c "import bokeh.objects"
bokeh/objects.py:4: DeprecationWarning: bokeh.objects was deprecated in 0.7.0: use bokeh.models instead
  deprecated_module(__name__, "0.7.0", "use bokeh.models instead")
Allow to import markers from bokeh.models.glyphs
Merge remote-tracking branch 'origin/master' into mattpap/deprecate_bokeh_objects

Conflicts:
	bokeh/plotting.py
	examples/plotting/file/correlation.py
	examples/plotting/file/line.py
	examples/plotting/file/scatter_selection.py
	examples/plotting/file/texas.py
	examples/plotting/notebook/animated.ipynb
	examples/plotting/notebook/linked_brushing.ipynb
	examples/plotting/notebook/random_walk.ipynb
	examples/plotting/server/line_animate.py
Replace bokeh.{objects->models} once again
Merge remote-tracking branch 'origin/master' into mattpap/deprecate_bokeh_objects

Conflicts:
	examples/glyphs/data_tables_server.py
Use inproc protocol for pub/sub sockets (instead of ipc)
Use logging in bokeh/server/zmq{pub,sub}.py
Create only one zmq.Context and share it between pub/sub
Don't draw if text at given index isn't defined
Add USHolidays.ics to bokeh.sampledata
Install icalendar from pip on travi-ci
Add glyphs/calendars example (a categorical plot)
Apply better styling to glyphs/calendars
Add *.ics to sampledata_suffixes in setup.py
Don't be so restrictive when checking text indices
Add icalendar to bokeh's conda recipe