2011-02-13
   (x)  Check format of PDF doc.
   (x)  Make NSEARCH CELL the default.
   (x)  Make graph of neighbor search time versus number of particles.
   (/)  Add graph to doc.
          -  No can do, linuxdoc doesn't seem to support it.
   (_)  Fix Andersen mess.
   (_)  Make new branch 2.5.38
   
2005-03-04
   *  Add error message if both PRESSURE CLAMP and PRESSURE ANDERSEN
      used at the same time.
