Small cleanup.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13583 3db68df2-c116-0410-a063-a993310a9797
Fake randomization of the ship sinking animation to make it look better with ship formations. Refs #1921

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13584 3db68df2-c116-0410-a063-a993310a9797
Automated build.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13585 3db68df2-c116-0410-a063-a993310a9797
Merge remote-tracking branch 'remotes/trunk'
Merge upstream.
Improve map display code.