matplotlib Code

Fix degree display in geographic transforms, also.

docs: add hexbin link in main overview page

add info about how to build HTML documentation

reorganization of style classes in patches.py

Fixed a bug in the new legend class that didn't allowed a tuple of coordinate vlaues as loc

removed lingering print statement

Round theta ticks to the nearest degree, rather than truncating.

Replace axes when current one is of the wrong projection type. This lets "subplot(111); polar()" work.

suppress gcc-4.3 warnings

Begin and end docstrings on newlines.