Fix build on 9.1 which does not have F_DUPFD_CLOEXEC
Follow RFC2606 to avoid spam to bad address.com
Update libucl to 0.4.0-12-g0375252
HTML: Don't defer building builds table when using DTRow
jail -u: Fix after networking jail rework
jail -u: Name the jail using normal -ptname-setname so jail -k can work

MFH
Add ALLOW_MAKE_JOBS_PACKAGES to define packages that can always use MAKE_JOBS
No need to clean before building port. Due to using WRKDIRPREFIX it will always be clean.
Make -a awk a bit nicer to bad style in category Makefiles
sem(4) is only needed on 8- as it was added to userland in base r201546

Reported by:	jhb
Fix bulk -a
Merge remote-tracking branch 'upstream/trunk' into trunk