Final-ish version of the timing test

Urs and Simon,

Sorry about all the changes to gui/PixParTab.cc and main/mkConfig. My emacs setup automatically removes blank space at the end of a line. Normally it's not a problem, but those two files have a ton of lines like this, which is a pain. Let me know if you have too many conflicts merging the files. I can turn this off and recreate the files using the latest build.

Doug