Adding missing less-rails dependency and removing katello-common which is
no longer built or required.
Merge pull request #3526 from ehelms/build-updates

Adding missing less-rails dependency and removing katello-common which i...
Build: Removing rubygem-logger since that appears to be unused, adding
ruby193-ruby-wrapper to RHEL6 comps and missing commonjs for less-rails.
Merge pull request #3528 from ehelms/build-updates

Build: Removing rubygem-logger since that appears to be unused, adding
Bastion: moving system groups to its own tab.
Merge pull request #3517 from waldenraines/move-system-groups

Bastion: move system groups to its own tab.