fixes #2838 - taxonomies controller - fix in params and finder

fixes #2411 - move to controller/concerns

fixes #2739 - add ActiveSupport::Concern syntax to mixins

fixes #2525 - apipie documentation of actions defined in a concern

Apipie now supports defining actions defined in module by including
`Apipie::DSL::Concern`. Some substitutions are preformed while
including the documentation in each controller, so that instead of...

upgrade foreman to rails 3.2.13

This commit updates from rails 3.0.x to 3.2.x, main changes include:

• Asset pipline support
• cleanup of existing assets (javascript, css, images)

Users who uses foreman in production, make sure that you now compile
your assets, e.g...

fixes #2275 - include ThreadSession::Cleaner only once

Foreman::ThreadSession::Cleaner was included in Taxonomy concern,
which postponed the session clearing (that should be the first thing
to happen in filters) to phase after :authorize filter, effectively...

fixes #2239 API v2 CRUD for locations and organizations and added nested loc/org