Merge branch '2014wk48' of git://github.com/kerolasa/lelux-utiliteetit

* '2014wk48' of git://github.com/kerolasa/lelux-utiliteetit:
  getopt: avoid re-terminating long_option list at every update
  getopt: change --shell argument parsing function
  getopt: prefer switch-case rather than long if statement
  getopt: remove unnecessary code
  getopt: make normalize() print strings
  getopt: use xstrdup rather than malloc + strcpy
  getopt: add struct getopt_control and remove global variables
  getopt: remove function prototypes
  getopt: make nonoptions optstring comment correct
  tests: add more getopt tests
  tests: copy test-suite from Frodo Looijaard's getopt
  getopt: sync with 1.1.6 release
  line: use util-linux conventions
  textual: improve error messages
  login-utils: use libc error printing facility