Update maps with entrance x & y coordinates, adjust map level difficulty to something slightly more realistic - level 20

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@9820 282e977c-c81d-0410-88c4-b93c2d0d6712

brest/Castle/AcidChamber

@@ -1,8 +1,11 @@
 arch map
 name AcidChamber
+difficulty 20
 region brest
 width 28
 height 10
+enter_x 24
+enter_y 1
 msg
 Created:  1994-07-02
 Modified: 2008-09-10 Rick Tanner

brest/Castle/DragonRoom

@@ -1,8 +1,11 @@
 arch map
 name DragonRoom
+difficulty 20
 region brest
 width 27
 height 22
+enter_x 12
+enter_y 1
 msg
 Created:  1994-07-02
 Modified: 2008-09-10 Rick Tanner

brest/Castle/Finale

@@ -1,9 +1,11 @@
 arch map
 name Finale
-difficulty 1
+difficulty 20
 region brest
 width 7
 height 60
+enter_x 1
+enter_y 58
 msg
 Created:  1994-07-02
 Modified: 2008-09-10 Rick Tanner

brest/Castle/LargeRoom

@@ -1,8 +1,11 @@
 arch map
 name LargeRoom
+difficulty 20
 region brest
 width 29
 height 58
+enter_x 1
+enter_y 54
 msg
 Created:  1994-07-02
 Modified: 2008-09-10 Rick Tanner

brest/Castle/castle

@@ -1,8 +1,11 @@
 arch map
 name Castle
+difficulty 20
 region brest
 width 28
 height 33
+enter_x 9
+enter_y 16
 msg
 Created:  1994-08-30
 Modified: 2008-09-10 Rick Tanner