Fixed development environment for tutorial files

Change-Id: I1b02441b657c001e20230c7637d07c057aba0d26
diff --git a/dev/js/src/app/devel.js b/dev/js/src/app/devel.js
index 73c6f75..9b7a089 100644
--- a/dev/js/src/app/devel.js
+++ b/dev/js/src/app/devel.js
@@ -4,7 +4,7 @@
  */
 
 requirejs.config({
-  baseUrl: 'js/src',
+  baseUrl: '/js/src',
   paths : {
     'lib': '../lib'
   }