Update background picks to include shallow sea, deep sea.
MSW 2002-06-02
git-svn-id: svn://svn.code.sf.net/p/crossfire/code/trunk/maps@1614 282e977c-c81d-0410-88c4-b93c2d0d6712
but are useful so the editor can find something when editing the
maps.
MSW 2001-12-17
git-svn-id: svn://svn.code.sf.net/p/crossfire/code/trunk/maps@1462 282e977c-c81d-0410-88c4-b93c2d0d6712