copied example into test_basic.py to initiate test battery
ENH: allow to set matplotlib backend from env MATPLOTLIB_BACKEND
RF: make copied example into a smoke test

invoke with e.g. MATPLOTLIB_BACKEND=agg nosetests -s -v ggplot
Python3 compatibility

continuation of the action #21
Merge pull request #35 from yarikoptic/master

TST: copy example.py into a cruel test_basic.py for smoke testing
fixed spacing
Merge pull request #36 from stonebig/patch-1

Python3 compatibility
remove double import of scale module
Merge pull request #37 from stonebig/patch-2

remove double import of scale module
Python3 compatibility work for basestring type

This is the method described at http://stackoverflow.com/questions/4232111/stringtype-and-nonetype-in-python3-x
inital theme implementation
implemented proper confidence region for calls to stat_smooth with method='lm'.
Merge branch 'confidence-region'
correcting theme names
Merge pull request #43 from hernamesbarbara/master

stat_smooth with method='lm' now supports proper confidence region for se=True
removed annoying print statement. sorry about it
Merge pull request #44 from hernamesbarbara/master

removed annoying print statement. sorry about it
slight cleanup and better themes
new image for readme
adding changes