Add /etc/icat/icat.cfg to the documentation of the list of default values for the configfile.
Add /etc/icat/icat.cfg to the documentation of the list of default
values for the configfile.

git-svn-id: 5b1347ddac5aba1438c637217dfe0bb137609099@821 8efdbd46-c5fb-49ab-9956-99f62928ec21

icatproject/python-icat