[TD]clazy warnings and duplicate setter/getter

- clazy warning re missing Q_OBJECT

- include TechDrawGlobal.h in headers

- resolve duplicate setter/getters

src/Mod/TechDraw/App/DrawProjGroup.h

@@ -22,6 +22,8 @@
 
 #ifndef _TECHDRAW_FEATUREVIEWGROUP_H_
 #define _TECHDRAW_FEATUREVIEWGROUP_H_
+
+#include <Mod/TechDraw/TechDrawGlobal.h>
 
 #include <string>
 # include <QRectF>
@@ -49,7 +51,8 @@ class DrawProjGroupItem;
 class TechDrawExport DrawProjGroup : public TechDraw::DrawViewCollection
 {
     PROPERTY_HEADER_WITH_OVERRIDE(TechDraw::DrawProjGroup);
-
+    Q_OBJECT
+    
 public:
     /// Constructor
     DrawProjGroup();