[Development] Proposal: New list of Qt 5 reference / Tier 1 platforms

[BRM]

> From: Koehne Kai <Kai.Koehne at digia.com>

> Friedemann said he'd like to have msvc 2010 64 bit as reference platform, 
> maybe replacing msvc 2010 32 bit. Problems I see is that we don't test it 
> right now in the CI system, and that e.g. qtwebkit has currently problems on 
> windows 64 bit.

Agree with comments already made regarding this.

> Tukka also wants to see Windows 8 (maybe replacing XP). Maybe Friedemann 
> (platform maintainer) can comment as platform maintainer whether that is a good 
> idea?

Win8 support would be nice to add, but please do not drop WinXP. MS may be dropping official, public support for WinXP in 2014; but it will still be around for a very long time.

Ben