added flagpoles to the flags commited in 2007-10-24T13:20:05Z!mythological@mt.net.mk.

Also created macros in image-utils.cfg for simpler use of those
images.

data/core/macros/image-utils.cfg

@@ -84,6 +84,24 @@
     [/image]
 #enddef
 
+#define FLAG_WHITE_CENTERED X Y
+    # A centered white flag representing the past non-combat scenarios
+    [image]
+        x,y={X},{Y}
+        file=misc/flag-white.png
+        centered=yes
+    [/image]
+#enddef
+
+#define FLAG_RED_CENTERED X Y
+    # A centered red flag representing the non-combat scenarios
+    [image]
+        x,y={X},{Y}
+        file=misc/flag-red.png
+        centered=yes
+    [/image]
+#enddef
+
 #define PLACE_IMAGE IMAGE_FILE X Y
     # Place an image at a specified location on the map.
     [item]