- Back porting of some changes in later releases
  - Corrected valgrind support
  - Removed work around for TZ needed in VisualStudio 6
  - Don't restart master to add special settings from "<testcase>-master.opt",
    if same settngs as running master, feature request in bug#12433
  - With --reorder, keep tests with same *-master.opt content together,
    to save even more master restarts