Merge pull request linux-system-roles#115 from tyll/ethtool

Support ethtool -K|--features|--offload

Add Fedora 29 support to Galaxy metadata

Update Galaxy tags.

Remove beta and add tags.

Update the OS versions and Ansible version (2.5 because of service_facts).

0.4 release

0.3 release

0.2 release

0.1 release