Docstring formatting fixes.
Minor comments fixes.
Add "transparent" kwarg to savefig to save figure without figure or axes patches.
removed plain vnilla wx example; use wxagg instead
support string names for csv2rec
fixed a date autolocator refresh bug
removed idle support from tkagg until I figure out interrupts
added stefan's numpoints=1 marker patch
replaced idle handler with idle event
draft idle/timeout api
