RRFW Bugfix release 0.1.4bf2

This release introduces a new utility: bin/configsnapshot. It would be needed
for those who migrate a large existing RRFW installation to release 0.1.5.
The utility saves your configuration database in a XML file.
Configsnapshot utility from release 0.1.5 is not compatible with
database format from previous releases.
Configsnapshot utility from release 0.1.4bf2 does not preserve aliases.
See doc/commandref.pod for more information.