fixes #2463 fixed nested puppetca and autosign controllers

remove autosign and puppetca nested controllers from being incorrectly nested classes

Feature #2368 - form helpers, exceptions and fixes

Feature #2368 - i18n extracting and locale rake task

Feature #2368 - i18n extracting strings

Feature #2368 - i18n extracting strings

removed the need to add 'btn' class for the action_buttons helper, and changed the action buttons to small.

Fixes #2050 - Don't display revoked certs by default

Add organization and location to foreman.

This feature allows foreman to provide multi location, multi tenant and
multi organizations capablities.

the idea is that resources within foreman (e.g. hosts, subnets, users,
environments etc) can belong to one or more locations and organization,...

fix minor css classes declaration.

[SQL optimizations] - many small optimizations

• Bookmarks have only users, not usergroups
• added caching to the settings table
• removed notice message lookups (we are not really using those)...