Merge branch 'next'

* next:
  chore, build um-quo{dmp,snp} but do not install them
  fix, PEBKAC, assign target message's tpc and cnt slots
  fix, PEBKAC, idxs handed into websvc_secdef() can go up to (and including) nsy
  cosmetics, make it unlikely that the response buffer be too small
  fix, PEBKAC, hand in size of response buffer to paste_clen()
  fix, PEBKAC, use globally available uctx (instead of `u')
  cosmetics, talk about number of rendered bytes in websvc_secdef()
  minor, merge secdef snarfing functionality from um-quosnp into um-quod
  minor, begin with the merge of um-quosnp and um-quodmp (as um-quod)