Better error checking for input initialization; removed Status_t type (just use bool
  for return status with true ==> error, false ==> ok)

  removed OpenCL specific VSUB macros, since they are not used.

  added missing Diderot_DynSeqPrepend function (bug025)

  Add support for matrix transpose.  Note that the runtime currently only
  supports transpose for 2x2, 3x3, and 4x4 matrices.

  bug fixes for nrrd loading

  Fix the handling of vector inputs.

  Fixed memory management bug and added const specifiers.

  Fix some warnings

  Fix check on nrrd file when loading a dynamic sequence

  Working on dynamic sequence loading

  Working on sequence loading

  Fix a few type errors, etc.

  Working on sequence loading

  fix bug in dynamic sequence append

Fixed memory leaks.

  Switch to using a biffMsg struct to record errors in the world.

  Working on support for parallel target

  Added support for setting image inputs from nrrd objects; better propogation of
  errors; better use of world err field for error messages.

  Preliminary library support for dynamic sequences.

  Working on library support; made iso2d-polyline into a library test case

  Working on library support

  Working on library support

  Working on library generation

  Create a branch to implement things that we need for the Vis 2012 paper

  Porting changes from opencl branch

  Merging changes from pure-cfg branch back into trunk

  Merging in changes from pure-cfg branch.

  Merging in changes from pure-cfg branch: removed CL, expanded trace, and added method name
  datatype.

  Added support for hest-based command-line arguments to trunk.  Also switched
  output filename to prog.txt (from mip.txt)

  Porting many changes from the pure-cfg branch, including value numbering
  and support for parallel execution on SMP systems.

  More merging of pure-cfg back into trunk