packaging: setup: Move logs out of /usr

Move logging of fkvalidator.sh and taskcleaner.sh to the setup log file.

Related-To: https://bugzilla.redhat.com/1030834
Change-Id: I1391b11225e69c98ff843d13db7ef517ec6534b3
Signed-off-by: Yedidyah Bar David <didi@redhat.com>