* Termination of the application from the Window Manager is apparently   working now (the delete_event callback had to reutrn TRUE).  This is   all that was needed.
* Termination of the application from the Window Manager is apparently
  working now (the delete_event callback had to reutrn TRUE).  This is
  all that was needed.

* Start of experimental use of adjustments for the Canvas.  This is
  not yet working properly.

svn path=/trunk/; revision=2686

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot