Log Message:
Update to 2.16.5:

* Fix a side-effect introduced by the fix for bug 586330 that
  caused all stock buttons to lose their mnemonics.

* Bugs fixed:
 582025 Accelerators fail for submenus
 150951 collapsed save dialog needs to indicate filesystem...
 527583 GtkAssistant should set buttons as default widget
 588484 Iconview DnD fails when Destination is empty

* Updated translations:
 Gujarati
 Hindi