courses improved

_config.yml

@@ -112,9 +112,11 @@ menu:
             url: '/projects/completed/'
     
     - title: 'Courses & Theses'
-      url: '/courses/overview/'
+      url: '/courses/current/'
       active: '/courses/'
       items:
+          - title: 'Overview'
+            url: '/courses/overview/'	
           - title: 'Former Courses'
             url: '/courses/former/'	
           - title: 'Upcoming Courses'