Removed katello-common dependency
Merge pull request #1426 from ares/bug/remove_unnecessary_dependency

Removed katello-common dependency
839584 - cli system_group info should show max allowed systems
875117 - fix in msg when repo not found in CLI
Merge pull request #1425 from tstrachota/Bug_875117_missing_prod_name_in_msg

875117 - fix in msg when repo not found in CLI
Merge pull request #1424 from tstrachota/Bug_839584_sys_grp_info

839584 - cli system_group info should show max allowed systems