Fixes #19789 - fix Layout/SpaceAroundOperators cop

Fixes #22779 - Calculate out of sync host via origin interval (#5221)

Fixes #19780 - fix Layout/IndentationWidth cop

Fixes #17837 - Fix hosts:scan_out_of_sync task

The task relies on Ping, which was removed since Ruby 1.9. I've moved it
to rely on net-ping instead. Notice the ping now relies on the 'ping'
binary being in the foreman user path for this to work with foreman-rake

Fixes #7861 - Update rubocop version

Feature #2368 - i18n extracting strings

fixes #899 - There are numerous typos and formatting issues with the code

fixes #152 - add a script to scan out of sync hosts