[1.2.X] Migrated forms (minus localflavor) doctests. A huge thanks to Daniel...

[1.2.X] Migrated forms (minus localflavor) doctests. A huge thanks to Daniel Lindsley for the patch.

Backport of r14570 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14575 bcc190cf-cafb-0310-a4f2-bffc1f526a37