Check for defined client class to avoid warnings
Merge pull request #15 from vmoravec/add-slp-service-dialog

Check for defined client class to avoid warnings
Initializing packager before registration starts

- bnc#865737
Selecting installed base products on a running system
Products for registration are either installed or selected
New changes file entry and new version
Merge pull request #18 from kobliha/fix_running_system

Support for running system