fixes #2452 - allow nil form, used for checkboxes in taxonomies wizard
fixes #2455 hostgroup not saving
fixes #2393 - Couple of models broken with audited 3.0.0

this is not a fix for the mass assignment problem, rather just to solve immedient packaing issue upstream.

a follow up on mass assignment should be done via another commit.
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 #2406 - add recent report summary to dashboard latest events box
fixes translator comment
fixes #2475 - search hosts based on comments
fixes #2426 - translate model and column names to English