Add help text in all the apps + french translation

www/code/inner.js

@@ -82,11 +82,9 @@ define([
     };
     var mkHelpMenu = function (framework) {
         var $codeMirrorContainer = $('#cp-app-code-container');
-        var helpMenu = framework._.sfCommon.createHelpMenu();
+        var helpMenu = framework._.sfCommon.createHelpMenu(['text', 'code']);
         $codeMirrorContainer.prepend(helpMenu.menu);
 
-        $(helpMenu.text).html(DiffMd.render(Messages.codeInitialState));
-
         framework._.toolbar.$drawer.append(helpMenu.button);
     };
     var mkPreviewPane = function (editor, CodeMirror, framework, isPresentMode) {