fixes #2743 - adding foreman_api to non-scl comps
fixes #2751 - Remote addr can support several load balancers
fixes #1963 - prevent host creation when facts are uploaded via new setting
Remove some unnecessary variables from the hostgroups functional test
fixes #2747 - scoped search lambda takes one argument
Users now have a new filter to subscribe to new hostgroups

Add new hostgroups on save to subscribed users

Migration to add subscribe_to_all_hostgroups to users table

I18n strings

Added tests and used a method on the controller instead of the action directly