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

when python is disabled videotextures are not built.

source/gameengine/Expressions/Value.cpp

@@ -33,7 +33,7 @@
 
 double CValue::m_sZeroVec[3] = {0.0,0.0,0.0};
 
-#ifndef NO_EXP_PYTHON_EMBEDDING
+#ifndef DISABLE_PYTHON
 
 PyTypeObject CValue::Type = {
 	PyVarObject_HEAD_INIT(NULL, 0)
@@ -64,6 +64,8 @@ PyTypeObject CValue::Type = {
 PyMethodDef CValue::Methods[] = {
 	{NULL,NULL} //Sentinel
 };
+#endif // DISABLE_PYTHON
+
 
 /*#define CVALUE_DEBUG*/
 #ifdef CVALUE_DEBUG
@@ -90,10 +92,6 @@ std::vector<SmartCValueRef> gRefList;
 
 CValue::CValue()
 		: PyObjectPlus(),
-#else
-CValue::CValue()
-: 
-#endif //NO_EXP_PYTHON_EMBEDDING
 	
 m_pNamedPropertyArray(NULL),
 m_refcount(1)
@@ -526,8 +524,7 @@ CValue*	CValue::FindIdentifier(const STR_String& identifiername)
 	return result;
 }
 
-
-#ifndef NO_EXP_PYTHON_EMBEDDING
+#ifndef DISABLE_PYTHON
 
 PyAttributeDef CValue::Attributes[] = {
 	KX_PYATTRIBUTE_RO_FUNCTION("name",	CValue, pyattr_get_name),
@@ -618,7 +615,8 @@ PyObject*	CValue::ConvertKeysToPython( void )
 	return pylist;
 }
 
-#endif //NO_EXP_PYTHON_EMBEDDING
+#endif // DISABLE_PYTHON
+
 
 ///////////////////////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////////////////////