Low-hanging performance improvements#5664

Merged

tacaswell merged 7 commits intomatplotlib:masterfrom

mdboom:performance

Dec 22, 2015

Commits on Dec 11, 2015

Low-hanging performance improvements
mdboom
committed

Commits on Dec 14, 2015

Fix pickling
mdboom
committed
Fix comment
mdboom
committed

Commits on Dec 15, 2015

Commits on Dec 22, 2015

PEP8
mdboom
committed