Orphans: Use check-orphans now *

* This may be hooked into stage-qa later, for now call it separately

MFH
Leftovers: Fix losing some changes

Reported by:	antoine

MFH
leftovers: Only need plistsub_sed for legacy checking

MFH
Move stage-qa and check-leftovers to right after stage
testport: Add -k to keep going on failures