don't hang in endless loop

git-svn-id: svn+ssh://svn.kde.org/home/kde/branches/work/kst/portto4/kst@1332954 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
also build tests

git-svn-id: svn+ssh://svn.kde.org/home/kde/branches/work/kst/portto4/kst@1332955 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
use Fusion style with Qt5
build server is now 64bit
no Qt4 on buil server atm