prepare for 1.0 release
fix ortho example
update URLs
update URL
fix URL
Backport of r8515: Reset clipping upon exit of draw_markers to avoid negative interaction with blitting.
make compatible with matplotlib sphinx extensions
add gridspec api to toc
Support optional JPEG and TIFF saving if PIL is installed.
Merged revisions 8521 via svnmerge from https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v1_0_maint
........ r8521 | jdh2358 | 2010-07-06 10:48:16 -0500 (Tue, 06 Jul 2010) | 1 line update download site in site docs ........