The class FairLogger is  meanwhile only a wrapper around the Logger class,
so use the Logger directly. This also helps to reduce many warnings when
using the Eclipse IDE.

Apply code formatting to all source/header files and root macros.

This version is an exact copy of the last revision of the trunk branch
of the old SVN repository of CbmRoor at
https://subversion.gsi.de/cbmsoft/cbmroot/trunk
The old SVN repository will still be available for read access.