Fixes for survival of the fittest map.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15663 3db68df2-c116-0410-a063-a993310a9797
Garrison orders canceled in the ai were not properly canceled in the simulation. Fixes #2741 and #2743.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15664 3db68df2-c116-0410-a063-a993310a9797
Fix undefined property warning. Fixes #2742.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@15665 3db68df2-c116-0410-a063-a993310a9797
Merge 'remotes/trunk'