updated minor map version, necessary due to object changes

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@5871 3b4a5df2-a311-0410-b5c6-a8a6f20db521
- externalised squad names
- moved Pockets.xml an PocketPopups.xml
- requires GameDir >= r1608

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@5872 3b4a5df2-a311-0410-b5c6-a8a6f20db521