Removed all #include's of CMap.h from headers.

To all - please, avoid #include's in headers as much as possible
This kills incremental build compile times

lib/mapping/CMapEditManager.cpp

@@ -7,6 +7,7 @@
 #include "../mapObjects/CGHeroInstance.h"
 #include "../VCMI_Lib.h"
 #include "CDrawRoadsOperation.h"
+#include "../mapping/CMap.h"
 
 MapRect::MapRect() : x(0), y(0), z(0), width(0), height(0)
 {