bokeh/sampledata: Rename US Regions State Boundaries.csv.gz to US_Regions_State_Boundaries.csv.gz
altering notebook template to prevent nbviewer logo failure
readding target blank
more technically correct html/css handling of this issue
Merge branch 'master' into fix_nbviewer
fix python3 compat issue in setup.py

In python 3.0 `raw_input` has been renamed to `input`.
Merge pull request #818 from aseyboldt/patch-1

fix python3 compat issue in setup.py
per discussion, text fallback not needed
Merge branch 'master' into fix_nbviewer
Merge pull request #811 from ContinuumIO/fix_nbviewer

Fixes Bokeh Logo repetition in nbviewer notebooks.
Merge pull request #807 from er0/master

bokeh/sampledata: Rename US Regions State Boundaries.csv.gz