add compose button to message index page
remove enrollment controller as it seems like it's not needed
ajax message post redirect to previous page stored in hidden
remove more unused method in controller
user sidebar
add back button to message page
add page specific template section
increase message per page to 5
fix js template, remove student css
more js include fix
offline and online image
user-defined width height for hasleft popup
pass correct subject object, @todo- lecturer, to subject controller