matplotlib Code

Improved boilerplate.py so that it generates the correct signatures for pyplot functions.

Remove the mathtext include from the Qt3 backend.

Port the menu example over to mathtex. Fonts could use some work.

Add translucent legend example from John Hunter's mailing list example.

Fix the alignment issues with the PS backend.

No need to import mathtex in the Qt4 backend.

Port parts of the PS backend over. Alignment still needs to be checked.

Also remove the wx mathtex example on account of also belonging in mathtex.

Remove a mathtex demo from matplotlib. These now live in mathtex as opposed to matplotlib.

Port over the Cairo backend to mathtex. Just PS and OS X left.