WIP: wx
FIX: Better wx support
FIX: wx working in examples
FIX: Fewer errors
FIX: Minor fixes
FIX: wx works
FIX: Minor fixes
FIX: Longer warmup
FIX: Nicer
FIX: Add fullscreen support
FIX: Cleanup
FIX: Faster warmup
FIX: Fix warning
FIX: Fix WX event order
Merge pull request #355 from Eric89GXL/wx

ENH: Add wxPython backend