[TD]code clean ups

- QtConcurrent include and CMake for Win

- include clean up dvp, dvs, dvd

- variable names and nested if clean up

- remove debug code

src/Mod/TechDraw/App/DrawViewCollection.cpp

@@ -77,6 +77,7 @@ App::DocumentObjectExecReturn *DrawViewCollection::execute()
 
     lockChildren();
 
+    overrideKeepUpdated(false);
     return DrawView::execute();
 }