[1.0.X] Fixed `resolve_columns` so that pagination works again on Oracle...

[1.0.X] Fixed `resolve_columns` so that pagination works again on Oracle GeoQuerySets; properly set svn:ignore on `sitemaps` subdir.

Backport of r9338 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9339 bcc190cf-cafb-0310-a4f2-bffc1f526a37