[Development] Backporting the "stop unloading plugins" change to 5.6

[Thiago Macieira]

Em sexta-feira, 14 de outubro de 2016, às 07:10:00 PDT, Thiago Macieira 
escreveu:
> We are talking in this change about QFactoryLoader, which is a Qt API and
> which is ALWAYS used until program exit.
 
I meant internal Qt API.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center