matplotlib Code

Fix bug where some characters would be missing from the font on
subsequent Ps or Pdf plots.

Numpification new try: dont touch numerix/, but make mpl code independent of it.
(Including conversion to "import numpy as npy")
Complete except for pylab.py and mlab.py

affines are first class objects

First pass with a real TeX box model. Lots of things broken -- just
want to mark this spot in the revision history.

Improve performance of inner loop and prevent segfaults with negative x or y in draw_bitmap.

Make draw_bitmap inner loop faster and prevent segfaults if x and y
are negative.

traits cleanup

traits cleanup

Fix concatenate bug in contains() method

Revert numerix to 3573, second try