option to build the BGE without python, uses existing python check (cmake and scons)

when python is disabled videotextures are not built.

source/gameengine/GameLogic/SCA_ORController.cpp

@@ -87,6 +87,8 @@ void SCA_ORController::Trigger(SCA_LogicManager* logicmgr)
 	}
 }
 
+#ifndef DISABLE_PYTHON
+
 /* ------------------------------------------------------------------------- */
 /* Python functions                                                          */
 /* ------------------------------------------------------------------------- */
@@ -122,4 +124,6 @@ PyAttributeDef SCA_ORController::Attributes[] = {
 	{ NULL }	//Sentinel
 };
 
+#endif // DISABLE_PYTHON
+
 /* eof */