Affected files:
* Configuration.py
* Database.py
* HandHistoryConverter.py
* fpdb_import.py
and setup.py to a lesser extent.
Logging requires a configuration file when initialising the class. If we
are executing from outside the source tree, this file is not present.
Catch config parser's error and try to provide the logging config file
from debian package path.
Update symlink target to match python-support from latest Debian and the
oncoming Ubuntu versions.
