Request a specific version of Gtk when using gi
On Linux, use the XDG base directory specification for configuration and cache directories
Only display warning when config file (not config directory) still exists.
Let _pcolorargs handle the shape of C, checking compatibility with X and Y
Fix error in test_pre_transform_plotting.

This error was revealed by the new checking in _pcolorargs.
Add comment and test for _pcolorargs
pgf: add mixed mode rendering
fixes on MixedModeRenderer for non-72dpi figures
[DOC] Mathtext and matshow examples
Merge pull request #1975 from pwuertz/pgf_mixedrenderer

MixedModeRenderer non-72-dpi fixes & Pgf mixed rendering
BUG: pass kwargs to TimedAnimation
Added the from_levels_and_colors function.
Add shape information to error message
Merge branch 'pcolorargs'
Merge pull request #2069 from jakevdp/anim_fix

BUG: pass kwargs to TimedAnimation
Fix up error message about GObject introspection bindings
Merge pull request #1813 from mdboom/gtk3-version-check

GTK segfault with GTK3 and mpl_toolkits
mlab.FIFOBuffer: remove fossil line referring to nonexistent method
Version bump
Merge remote-tracking branch 'upstream/v1.3.x'