Log Message:
Update to 1.3.1:

Federico Mena Quintero (1):
      bfo#22864 - grab the server around all modifications to CRTCs

Matthias Hopf (3):
      Report program version as well with --version.
      Fix missing prototype warning.
      Bump to 1.3.1

Éric Piel (1):
      xrandr: Document --nograb option