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

[Thiago Macieira]

Em quinta-feira, 13 de outubro de 2016, às 20:46:46 CEST, André Pönitz 
escreveu:
> It's not about most that don't, but those that do, or that would like to.
> 
> At a certain level of complexity one doesn't only want to load plugins
> on demand, but also unload them when not needed use anymore, or even
> unload/reload as part of an update.

We can revisit the idea for QPluginLoader, which is a public API.

We are talking in this change about QFactoryLoader, which is a Qt API and 
which is ALWAYS used until program exit.

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