Merge branch '2017wk16' of git://github.com/kerolasa/lelux-utiliteetit

Merge branch '2017wk16' of git://github.com/kerolasa/lelux-utiliteetit

* '2017wk16' of git://github.com/kerolasa/lelux-utiliteetit:
  chfn, chsh: use readline(3) to receive user input
  findfs: use getopt_long() to parse options
  logger: make month names, login name, and tag read-only objects
  sulogin: reduce vulnerability surface
  partx: add --list-types option
  libblkid: add blkid_partitions_get_name()
  docs: try to convince open(2) O_DIRECT rather than using raw device
  blkid: add long options
  lsipc: fix options parsing and sync with man page