Remove the qt5 FLAVOR; qt5 is the only supported/used version these days.
Disable the tests; they've not been updated for qt5 and aren't accessible
from the standard cmake build system.
Update all dependent ports to cope with the FLAVOR removal.
Requested by rsadowski@; improvements by sthen@
you can operate on your collection of chess games in many ways: browse,
edit, add, organize, analyze, etc.
Initial prodding from Roman Yakovlev (MAINTAINER), tested on i386 & amd64
by Martin Ziemer (thanks!), input and final okay@ from kirby@.