Log Message:
Update to 1.2.2:

Aaron Plattner (1):
      man: Add -event to the command synopsis

Alan Coopersmith (5):
      Print which option was in error along with usage message
      Add -version option to print program version
      configure: Drop AM_MAINTAINER_MODE
      autogen.sh: Honor NOCONFIGURE=1
      xev 1.2.2

Egbert Eich (1):
      Add event filter for button events