Explicitely wrote namespace in file instead of using MM_*_NAMESPACE (related to #278).

ProjectReader.cpp

@@ -22,7 +22,7 @@
 #include <iostream>
 #include <string>
 
-MM_BEGIN_NAMESPACE
+namespace mmp {
 
 ProjectReader::ProjectReader(MainWindow *window) : _window(window)
 {
@@ -171,4 +171,4 @@ Mapping::ptr ProjectReader::parseMapping(const QDomElement& mappingElem)
   }
 }
 
-MM_END_NAMESPACE
+}