Apply a minimalistic rule to jailed /dev

Fixes:			[2eb87375b6]
Reported by:		gavin@
Add fd/* to /dev rules
Merge nozfs branch
Nuke testport -d
Rename test_ports.sh into testport.sh
Exclude all /var/db/pkg and not only /var/db/pkg/*.sqlite for leftovers

Reported by:	flo
Remove testport -d from manpage
bulk usage: Fix indentation of -J
bulk manpage: Add missing cat/port usage
Show full uname -a in build log

Requested by: kwm
jail -u: Fix missing jailname when upgrading from ftp/freebsd-update
New layout for the code so that it can be directly tested out of a working copy
Add a jr() function modeled on jrun to execute things in jail on 9.1+
Do not use anymore jexec to get arch
Export MASTERMNT to simplify life
my_path() doesn't depends anymore on persistent jails
bset and bget can now take 1 or 2 arguments and use MASTERMNT and MY_JOBID to figure out path
Set MASTERMNT to the right variable
jail_runs now consider a jail is being run is the reference jail exists
Do not use jls anymore but rather things based on MASTERMNT
Make jr() works on old and new jails