fixes #2684 - add foreman-rake script to /usr/sbin
fixes #2814 - fixing foreman-debug warning message
fixes #2812 - method lookup_values_attributes= not defined in Host::Managed (NameError)
Fixes #2817 - wrong param types in lookup keys API documentation
fixes #2757 - show model validation errors in production.log
fixes #2825 - Gravatar URL for email addresses with uppercases
Fixes #2826: only run set_code() on submit if the config template editor is already in diff mode
fixes #2801 - remove LOWER() in default_scope of models that could cause PG error
fixes #2813 - move Foreman::Provision::SSH files back to /lib so it does not fail on startup for non-fog installations
fixes #2809 - send host subject as xpi opt to prevent ssl connect errors
fixes #2693 - don't cause handle_ca error when no Puppet CA associated with host
Fixes #2821 - Autoload paths, PowerManager children must be in namespace in order to autoload
Fixes #2839 - retry SSH authentication issues with cloud-init
Fixes #2576 - Add optional update of Host.ip from built request
fixes #2837 add an interface to add repositories to kickstart, cleanup similar methods
fixes #2788 - adding / removing puppet classes updates the change even if the form is not submitted
fixes #2788 - changes to fixtures and tests in preparation for testing adding/removing puppetclasses
fixes #2851 - refresh puppet classes on environment change
added a HTML id to the operating system ui tab

similar to the id we have in the host and hostgroup forms,
this change makes the ui plugin code look clean.
fixes #2838 - taxonomies controller - fix in params and finder