Fix documented return type for barplot
Merge pull request #254 from kyleam/fix-barplot-doc

Fix documented return type for barplot
Unify rules for default color palettes
Merge pull request #256 from mwaskom/palette_consistency

Unify rules for default color palettes
Add choose_cubehelix function
Merge pull request #261 from mwaskom/choose_cubehelix

Add choose_cubehelix function
Add cubehelix chooser to API docs
Make font fallback work better
Fix subplot creation on older matplotlibs
Merge pull request #176 from mwaskom/linux_fonts

Make font fallback work better
Initial PairGrid implementation
Preliminary hue grouping in PairGrid
Only make diag axes if needed
Some PairGrid tests
Add palette flexibility and tests
Factor grid figure palette creation into base class
Some more housekeeping to get legends working
Add PairGrid and pairplot to axisgrid docs
Add basic pairplot function
Be safe about default palette in tests