Version 2.16.0.1

* Updated system-lock-screen icon to fill all sizes
  -- bug #354257 (Lapo Calamandrei)
* Updated accessories-text-editor icon to fill all sizes
  -- bug #354256 (Lapo Calamandrei)
* Updated 24x24 utilities-terminal icon from 22x22 icon
  -- bug #354279 (Rodney Dawes)