Reorganize files into correct group for VS

Don't mix headers with generated files

CMake/ctkMacroBuildQtDesignerPlugin.cmake

@@ -70,11 +70,12 @@ MACRO(ctkMacroBuildQtDesignerPlugin)
     "${dynamicHeaders};${CMAKE_CURRENT_BINARY_DIR}/${MY_EXPORT_HEADER_PREFIX}Export.h")
 
   # Make sure variable are cleared
+  SET(MY_MOC_CPP)
   SET(MY_UI_CPP)
   SET(MY_QRC_SRCS)
 
   # Wrap
-  QT4_WRAP_CPP(MY_SRCS ${MY_MOC_SRCS})
+  QT4_WRAP_CPP(MY_MOC_CPP ${MY_MOC_SRCS})
   QT4_WRAP_UI(MY_UI_CPP ${MY_UI_FORMS})
   SET(MY_QRC_SRCS "")
   IF(DEFINED MY_RESOURCES)
@@ -87,13 +88,14 @@ MACRO(ctkMacroBuildQtDesignerPlugin)
     )
 
   SOURCE_GROUP("Generated" FILES
-    ${MY_MOC_SRCS}
+    ${MY_MOC_CPP}
     ${MY_QRC_SRCS}
     ${MY_UI_CPP}
     )
-  
+
   ADD_LIBRARY(${lib_name} ${MY_LIBRARY_TYPE}
     ${MY_SRCS}
+    ${MY_MOC_CPP}
     ${MY_UI_CPP}
     ${MY_QRC_SRCS}
     )