mq: uniform verbose display of patche[s].
In verbose mode, display:
"index patchname" for unapplied patches
"index cset:patchnames" for applied patches
"index status patchname" in the serie listing.
adding a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b
pushing to ../a
abort: could not lock repository ../a: Permission denied