TinyMCE help modal:

- Don't load the old tiny_mce_popup.js.
- Add the shortcut for <code> and the second shortcut for link to the shortcuts listing.
- Update some of the text.
See #27100

git-svn-id: https://develop.svn.wordpress.org/trunk@28027 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/js/tinymce/plugins/wordpress/plugin.js

@@ -181,6 +181,7 @@ tinymce.PluginManager.add( 'wordpress', function( editor ) {
 	editor.addCommand( 'WP_Help', function() {
 		editor.windowManager.open({
 			url: tinymce.baseURL + '/wp-mce-help.php',
+			title: 'Editor Help',
 			width: 450,
 			height: 420,
 			inline: 1,
@@ -210,7 +211,7 @@ tinymce.PluginManager.add( 'wordpress', function( editor ) {
 	});
 
 	editor.addButton( 'wp_help', {
-		tooltip: 'Help',
+		tooltip: 'Editor Help',
 		cmd: 'WP_Help'
 	});