[Kde-imaging] QtRaw, a Qt image plugin using libraw

[Marcel Wiesweg]

> 
> Sure, it makes sense for digiKam to have proper 16 bit support. I was not
> suggesting switching from libkdcraw to this plugin, just being cautious
> about whether digiKam behavior could be affected by a Qt image plugin
> claiming support for raw. Does digiKam use QImageIO for 8 bit images?

QImage loading is the last attempt in the chain. No problem for us to have 
such a plugin installed.