Major changes in 3.9.3:
* Shade rubberbands on the desktop using the wallpaper color (Ted Gould)
* Port to GtkPlacesSidebar (Federico Mena Quintero)
* Check for available mail clients before enabling sendto
  extension (Plamena Manolova)
* Enter location bar upon entering "~" (Garrett Regier)
* Add a menu item to open parent folder of search/recent
  items (Garrett Regier)
* Use Shift+Ctrl+Z, not Ctrl+Y, for Redo (Adam Dingle)
* Remove multicontext menu items from editable entries