Debugger: Avoid Gui dependency of dumper autotest

Change-Id: Ie51554216ad7b132839c2779c2f647ad6222db5f
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Debugger: Fix Qt 5 QHostAddress autotest

Dumper was working, but the default constructor doesn't do
the parsing already nowadays.

Change-Id: I098b0a03ad7d994b5746f3a4a6c39d29133509b0
Reviewed-by: hjk <hjk121@nokiamail.com>