Log Message:
xbacklight: update to 1.2.3.

Alan Coopersmith (4):
      Update README for gitlab migration
      Update configure.ac bug URL for gitlab migration
      atof_or_die: Also die if nothing was converted
      xbacklight 1.2.3

Roberto Ricci (1):
      exit if conv. from string to double fails

Roman Donchenko (1):
      Properly round the new brightness value