Fix issues:

+ improve formatting
+ remove superfluous semicolons
+ comment unused parameters
+ rename Initialisation to Initialization
+ rename Deinitialisation to Finalization
+ remove spaces

src/App/DocumentObjectExtensionPyImp.cpp

@@ -39,12 +39,12 @@ std::string DocumentObjectExtensionPy::representation(void) const
     return std::string("<document object extension>");
 }
 
-PyObject *DocumentObjectExtensionPy::getCustomAttributes(const char* attr) const
+PyObject *DocumentObjectExtensionPy::getCustomAttributes(const char* /*attr*/) const
 {
     return 0;
 }
 
-int DocumentObjectExtensionPy::setCustomAttributes(const char* attr, PyObject *obj)
+int DocumentObjectExtensionPy::setCustomAttributes(const char* /*attr*/, PyObject * /*obj*/)
 {
     return 0;
 }