fixes #2463 fixed nested puppetca and autosign controllers

remove autosign and puppetca nested controllers from being incorrectly nested classes
Added additional DB packages
fixes #2463 - move test files to follow controller move
removing ruby-debug from development group
Fixes #2454 - Fix loading settings in production

The Setting subclasses are not preloaded in initialization phase in
production.

Also (if Setting.first rescue (false)) is not satisfied when the
settings are not set yet. Using table_exists? instead.

Also, define constants before audited So that the constants are available even
when not migrated yet.
fixes #2432 - use absolute controller path for navbar links
Fixes #2265 - Broken hosts_and_facts detection
fixes #2434 - foreman-debug script
fixing transifex parse error
Typo fix
fixes #2463 - update permissions to follow controller move
Added core runtime packages to the RHEL6 comp
fixes #2472 - prevent duplicate users from hostgroup ancestors
fixes #2132 Smart Variables in hostgroup.
1. Show smart variables in hostgroup view.
2. Added the GUI to override smart variables values in host group.
Suport hostgroup puppet classes parameters inheritance.