Checkable pan/zoom buttons for QT NavigationToolbar
PEP8 fixes on the axis module
Allow imsave() to handle RGB(A) input arrays

Thanks to Jostein Be Floystad for the original patch!
Added a test for imsave
Fix dpi issue for bitmaps on the OS X backend

Bitmaps were being generated from the NSView. NSImages, by default,
always use a dpi of 72. To generate a bitmap of a different size,
the image must be redrawn into a new rect. To resample the image at
a different resolution, a conversion is made to use the new dpi.
Fix memory leak
Make if block more sensible
Enable dynamic updating for the OS X backend
Merge pull request #1217 from NelleV/axis_pep8

PEP8 fixes on the axis module
Set version to 1.2.0rc1
Upping version on master to 1.3.x
Fix John Hunter banner
Merge branch 'v1.2.x'

Conflicts:
	lib/matplotlib/__init__.py
Fix mri_demo.py fails with mpl 1.2.0rc1
Fix 2to3 and packaging of dateutil
Merge pull request #1234 from cgohlke/patch-2

Fix 2to3 and packaging of dateutil
Fix 2to3 and packaging of dateutil
Merge pull request #1232 from dmcdougall/mac_dynamic

Enable dynamic updating for the OS X backend
Enable dynamic updating for the OS X backend
Fix poly_editor.py on Python 3

Polygon does not handle Python 3 zip objects