CMake: Mark changes to CMake configuration that contradicts a kit

Mark changes in the project that override configuration settings from the kit.

Task-number: QTCREATORBUG-17244
Change-Id: I3452116ad5f4626ffcd85dfcc86715b6946d6572
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsettingswidget.h

@@ -60,6 +60,7 @@ public:
 private:
     void updateButtonState();
     void updateAdvancedCheckBox();
+    void updateFromKit();
 
     CMakeBuildConfiguration *m_buildConfiguration;
     QTreeView *m_configView;