- Added client side visualization of area restrictions

- Added an icon to the "Region control" menu item
- Changed the former TAccessLevelChangedPacket and the TLoginResponsePacket to add informations about the writeable areas
- Changed OnModifyUserPacket to update clients according to new accesslevel/area restrictions
- Changed OnModifyRegionPacket to update clients using that particular region
- Fixed UPacketHandlers.ValidateAccess to check the region bounds according to the PtInRect function

Client/UfrmRegionControl.pas

@@ -122,7 +122,7 @@ implementation
 
 uses
   UGameResources, UfrmRadar, UfrmMain, UdmNetwork, UPacket, UGUIPlatformUtils,
-  UAdminHandling, UPacketHandlers, UConsts;
+  UAdminHandling, UPacketHandlers;
 
 type
   { TModifyRegionPacket }