Log Message:
Update to 2.16.3:

2.16.3
======

 Fixes

  - Remove warnings (Kjartan Maraas)
  - Code cleanups (Christian Persch)

 Translators

  - Khaled Hosny (ar)
  - Ihar Hrachyshka (be)
  - Jordi Mallach (ca)
  - Og Maciel (pt_BR)