Some modules refer to extensionless GIF resources. This ensures that these images get loaded properly.
Some modules refer to extensionless GIF resources. This ensures that
these images get loaded properly.

git-svn-id: 3948e88432e1a59e1cb2bc472f8f957688004121@8135 67b53d14-2c14-4ace-a08f-0dab2b34000c

ethaneldridge/vassal,ethaneldridge/vassal,ethaneldridge/vassal