Merge branch 'script3' of git://github.com/kerolasa/lelux-utiliteetit into script

Merge branch 'script3' of git://github.com/kerolasa/lelux-utiliteetit into script

* 'script3' of git://github.com/kerolasa/lelux-utiliteetit:
  tests: add scriptreplay test
  script: move timing file opening close to use of it
  script: add noreturn function attributes
  script: use gettime_monotonic() to get timing file timestamps
  script: use correct input type, move comment, and so on
  script: replace strftime() workaround with CFLAGS = -Wno-format-y2k
  script: move do_io() content to small functions
  script: add 'Script started' line always to capture file
  script: remove io vs signal race
  script: merge doinput() and output() functions to do_io()
  script: use poll() rather than select()
  script: use signalfd() to catch signals
  script: add struct script_control and remove global variables
  script: remove function prototypes
  tests: check script options work as expected
  tests: add script output buffering race check