fix for zooming in on polar orthographic map#14

Merged

jswhit merged 2 commits intomatplotlib:masterfrom

jswhit:master

Jan 19, 2012

Commits on Jan 18, 2012

update comment.
Jeff Whitaker
committed

Commits on Jan 19, 2012

fix so round is not set to True for polar ortho maps when map corners
Jeff Whitaker
committed