Likelihood analysis for the science tools checkout

The tools in this area are gtlikelihood, gtdiffresp, gtexpmap, gtlivetimecube, and gttsmap. Most of them are essentially helper applications for gtlikelihood.

• Here is a link to the current release version of the tutorial
• ...and here are the FT1 and FT2 data files used in the tutorial.
• There is now also a guide to the interactive use of [Likelihood from the
  Python prompt|http://www.slac.stanford.edu/exp/glast/ground/software/status/documentation/ScienceTools/latest/Likelihood/latest/pylike.html]