2.23.6

  * Remove unused command line switches
  * Update and ship a man page
  * Remove dependency on libgnomecanvas
  * New Tango icon (thanks to Andreas Nilsson, Michael Monreal
    and Sebastian Kraft).
  * Add a context menu to copy the bug URL when a bug has been reported.
  * Add a dialog to warn the user to review the crash description if it is
    too short (thanks to Diego Escalante Urrelo).
  * Many cleanups of the source tree.
  * Some other misc bug fixes
  * Translation updates