parallel.sh: Make this more friendly to out-of-tree use
hash_get(): Still set value if not set to avoid getting __null
Leftovers: Don't show @dirrm for dirs already in plist

MFH
testport -i: Fix double installing of package error
leftovers: Don't show '@dirrm' for modified dirs

MFH
Fix staging mtree recording message being eaten by pipes

MFH
leftovers: Fix modified dirs/files not showing all mtree output

MFH
testport: Remove PREFIX/package hack for pkg_install, moved to ports r351422.

This was missed in bulk anyhow.

MFH