Map header updates: Correct creation date in map header that was changed in r7448, it was using the wrong month; Added map author's name where necessary, update maps with entrance x & y coordinates, adjust map level difficulty to something slightly more realistic

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@9955 282e977c-c81d-0410-88c4-b93c2d0d6712

sisters/granary

@@ -1,10 +1,13 @@
 arch map
 name Small Granary
-difficulty 1
+difficulty 7
 width 16
 height 16
+enter_x 8
+enter_y 12
 msg
-Created:  1994-02-28
+Created:  1994-12-28
+Modified: 2008-09-29 Rick Tanner
 endmsg
 end
 arch farmland