am 2738b318: Merge remote-tracking branch \'toybox/master\' into HEAD

am 2738b318: Merge remote-tracking branch \'toybox/master\' into HEAD

* commit '2738b3182300dabdbbef291175752733ec3f05d5':
  Squish more warnings in pending.
  Squish a warning in pending.
  Fix netstat -e.
  i already did -l and -t, the positive side of -p, plus name filtering...
  Fix netstat -p.
  increase the size of progname to avoid buffer overflow
  Remove prompt argument from yesno(), caller can fprintf(stderr, "blah") itself.
  Switch HR_SI to HR_1000, make binary the default, make HR_B only affect bytes, and update the tests.
  Two large thinkos in oneit: -3 was always enabled and signal numbers were overwritten before we set up signal handlers.
  Add seq -f tests, tweak help text, and catch one more error case.
  ls -h support.
  df -h and -H.
  Implement lsof.
  Make human_readable() handle base 1024 units without floating point.