Update DaVinci-Example.py : Actually say what it is about (follow up !402)

Just some comments in file.

Phys/DaVinci/options/DaVinci-Example.py

@@ -9,14 +9,13 @@
 # or submit itself to any jurisdiction.                                       #
 #                                                                             #
 ###############################################################################
-###############################################################################
- #
- # Test 
  #
+ # Simple DaVinci example job running on K*mumu data and filling an nTuple       
+ #      
  # syntax 
  #     ./run gaudirun.py DaVinci-Example.py options/DaVinciTestData.py
  #
- # @author Unclear
+ # @author P. Koppenburg based on previous versions
  #
 ##
 from Gaudi.Configuration import *