Added preview of the file "readme" like in github with using showdown.js parser (http://github.com/coreyti/showdown).

web/js/main.js

@@ -10,3 +10,9 @@ $(function () {
         mode: mode
     });
 });
+
+	if ($('#readme-content').length) {
+		var converter = new Showdown.converter();
+		$('#readme-content').html(converter.makeHtml($('#readme-content').text()));
+	}
+});