matplotlib Code

Make searching and copy/paste work in Pdf files (by adding a ToUnicode
CMap). Only works with Type42 fonts.

Use pickle to cache entire fontManager instance.
Call font_manager.findfont() instead of font_manager.fontManager.findfont().

Make horizontal line drawing more consistent across all backends.
Fix but in ft2font glyph rendering for glyphs with a left offset.

Fix typo.

Fix spacing of operators (particularly with custom fonts).
Fix positioning of accents.

Grab list of fonts from fontconfig if fontconfig is installed.

Removed obsolete comment.

numpification of mlab

Minor numpifications

Don't pass "angle" into mathtext parser since it was always ignored
anyway. (Any rotation should be performed on the mathtext after it's
done.)
Support scalable fonts for mathtext in Cairo backend.
Simplify passing of mathtext layout back to Pdf backend.