Add a license template setting to the CppTools settings.

Acked-by: con <qtc-committer@nokia.com>

src/plugins/cpptools/cppmodelmanagerinterface.h

@@ -110,6 +110,8 @@ public:
                               const QString &fileName,
                               int line, int column);
 
+    static QString licenseTemplate();
+
 private:
     CppModelManagerInterface *m_modelmanager;
 };