Merge pull request #186 from aplanas/master

Update factory version only if is a new version.
take only one version per package
Two fixes for check command:

- don't output empty prjs as acceptable
- don't output more than one problematic openQA job
Merge pull request #187 from openSUSE/coolo_check

Two fixes for check command:
we don't need to compare the FTP tree now - the factory version is already check enough now
Merge pull request #188 from openSUSE/coolo_version

we don't need to compare the FTP tree now - the factory version is alrea...