Merge pull request #8 from tyarkoni/master

added requirements.txt for convenience
Git ignore nbconvert output in examples/
Updating example plot
Improving README and requirements.txt
Making distplot bins work better and updating dist notebook
Intelligent axis naming in distplot
Initialize lower-level plots with plt.gca() instead of plt.subplot()
Changing violin 'points' defaults and updating examples
Slight alpha in lmplot scatter
Fix coefplot width and remove rpy dep from lm notebook
Adding example notebook testing framework
Tweaking example plot
Adding basic online documentation
Use online version of tips.csv in lm tutorial
Doc tweaks
More doc tweaks
Adding palplot and moving _kdesupport to utils
Removing ticks from all styles
PEP8
PEP8