Start to update docs for spectral/Spectral change
change spectral to nipy_spectral, leave spectral as alias, update docs
align nipy_spectral_data, double backquotes
Properly passing on horiz-/vertOn to Cursor()

Simple fix to properly pass on the horizOn and vertOn keyword
arguments to the matplotlib.widgets.Cursor constructor.
Make arrow docstring mention data transform
Autoscaling and limits in mplot3d.

    * Fixes improper setting of x,y,z limits not turning off autoscaling
    * Adds units support to z-axis
    * Adds shared axis support for z-axis
    * Closes #783
A bit of cleanup
Fixes #1316.  Default to `None` for rasterization_zorder.
Merge pull request #1316 from mdboom/zorder-fix

very high negative zorder breaks vector graphic rendering
Update Mac build process. Fixes #751

Previously, make.osx installed necessary dependencies. Recent versions
of OS X already include all those dependencies.

The setupext.py basedir list has been updated to include the default
directory to which macports installs libraries.
Work around a huge memory leak in PySide on Python 3
backend_pgf: improve handling of temporary directories
backend_pgf: implement subset of WeakSet for supporting py2.6
backend_pgf: track remaining tmpdirs and try to delete them atexit
backend_pgf: add a remark concerning #1324 to the doc, some cleanup
Merge pull request #1286 from pwuertz/pgf-tmpdir-fix

backend_pgf: improve handling of temporary directories
Make build process set PKG_CONFIG_PATH variable

If the platform has pkg-config then add python's .pc files to the end of
the pkg-config search path. If there was a problem setting it or
pkg-config doesn't exist then do nothing.

It appears that the environment variable change only exists within the
build process.
Make path handling use os.path.join
Add a comment to revert PR #1323 in the future
Remove unused buildbot files. We use Travis now