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

[André Pönitz]

On Thu, Oct 13, 2016 at 08:16:50PM +0200, Thiago Macieira wrote:
> Em quinta-feira, 13 de outubro de 2016, às 19:47:57 CEST, André Pönitz 
> escreveu:
> > I am not concerned about toy applications that gets started and closed
> > by the minute.
> 
> Right. Most applications don't unload their plugins, except at program exit.

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.

Andre'