-Modified "always move" monster behaviour to not move until turn 10, mainly to give time for empires to research a scanner upgrade before invisible floaters will show up at their homeworld.
-minor code groom

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5714 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'