Raising Qt requirement to Qt 5.4

[Albert Astals Cid]

El diumenge, 20 de març de 2016, a les 10:12:14 CET, David Faure va escriure:
> On Friday 18 March 2016 20:16:05 Ivan Čukić wrote:
> > Hi all,
> > 
> > IIRC, the last time we talked about this we decided (I'll try to find
> > the e-mail thread when I get back home, IIRC the conclusion was by
> > dfaure) on KF5 always support the two last versions of Qt. This was
> > decided so that we do not need to have threads like these every time
> > we want to increase the Qt version.
> 
> *Three* last versions.
> 
> Which is why we can drop 5.3 now that 5.6 is out
>  => we support 5.4, 5.5 and 5.6.

Is this documented in some wiki so we don't have to rely on people's memories 
or someone digging up the corresponding email thread?

Cheers,
  Albert