DOC Clean up on about half the Mplot3d examples#6303

Merged

WeatherGod merged 7 commits intomatplotlib:masterfrom

TrishGillett:mplot3d-examples-MEP12

Apr 19, 2016

Commits on Apr 16, 2016

Document contour3d and contourf3d examples
TrishGillett
committed
Documentation and touch ups to mixed_subplots_demo and pathpatch3d_demo
TrishGillett
committed
Documentation and tweaks to polys3d_demo: add two extra zero vertices instead of zeroing out the first and last elements of the random data
TrishGillett
committed