moved about-menuitem to help-menu

Gui/mainwindow.cpp

@@ -727,7 +727,9 @@ void MainWindow::about()
 	QString about = tr("Built on %1\nOGS Version: %2\n\n").arg(
 		QDate::currentDate().toString()).arg(ogsVersion);
 #ifdef OGS_BUILD_INFO
+#ifdef SVN_REVISION
 	about.append(QString("Svn commit: %1\n").arg(SVN_REVISION));
+#endif
 #ifdef GIT_COMMIT_INFO
 	QString gitCommit = QString(GIT_COMMIT_INFO);
 	about.append(QString("Git commit: %1\n").arg(gitCommit.mid(7)));

Gui/mainwindow.ui

@@ -81,7 +81,7 @@
      <x>0</x>
      <y>0</y>
      <width>801</width>
-     <height>22</height>
+     <height>21</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_File">
@@ -106,7 +106,6 @@
     <addaction name="separator"/>
     <addaction name="menuExport"/>
     <addaction name="separator"/>
-    <addaction name="actionAbout"/>
     <addaction name="separator"/>
     <addaction name="action_Exit"/>
    </widget>
@@ -131,10 +130,17 @@
     <addaction name="actionDiagram_Viewer"/>
     <addaction name="actionFEM_Test"/>
    </widget>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+    <addaction name="actionAbout"/>
+   </widget>
    <addaction name="menu_File"/>
    <addaction name="menuTools"/>
    <addaction name="menuWindows"/>
    <addaction name="menuSettings"/>
+   <addaction name="menuHelp"/>
   </widget>
   <widget class="QToolBar" name="mainToolBar">
    <attribute name="toolBarArea">