Merge branch 'next'

* next:
  test, chore, mute ute-fsck in preparation to shnot
  minor, use system pagesize for shack(1) tool
  hygiene, kick ute_add_ticks()
  test, adapt mux.22 regression, new indices go behind old indices on the same timestamp
  minor, translate sluts when muxing ute files with non-compat sluts
  hygiene, use nifty macros from nifty.h
  test, provide regression for muxing incompatible sluts
  fix, PEBKAC, generate tentative .ute files in info.09 and info.10 clit tests
  minor, follow-up, forgotten, adapt ute-anal to new cmd-aux based error() too
  cosmetics, polish off icc warnings
  minor, follow-up, adapt code to using cmd-aux.c's error() and verbprf()
  minor, provide a common definition for error() and verbprf()
  minor, follow-up, adapt code to unsigned int tblidx setters/getters
  major, use unsigned int for tblidx setters and getters
  minor, follow-up, adapt code to unsigned int indices
  major, use unsigned int for symbol indices in utefile.[ch]
  test, provide regression tests for ute-info with no symbols in the slut
  fix, PEBKAC, for missing symbols use `0' when printing info in ute-info