refs #7156 - updating models for new rubocop style
refs #7156 - updating rubocop style for migrations
refs #7156 - test updates for model changes
Fixes #7704: show applicable Errata count for Content Host list.

Add Errata counts to the Content hHost list and refactor into a
directive.  Also updates usage in Content View Versions.

http://projects.theforeman.org/issues/7704
refs #7493 - fixing test that is randomly failing
Merge pull request #4729 from jlsherrill/models

refs #7156 - updating models and db directories for repos
Merge pull request #4698 from waldenraines/errata-management

Fixes #7704: show applicable Errata count for Content Host list.
Merge pull request #4731 from jlsherrill/7493

refs #7493 - fixing test that is randomly failing
Fixes #7796 - Added code to enable docker repos

Code to enable docker repos.