fixes #2945 - extend AR to add getter/setters *_name(s) for has_many/belongs_to associations

fixes #2424 - encrypts compute resource password

fixes #2511 Footer should be replaced with an about page

fixes #2378 - added Minitest and other code cleanups

fixes #2407 - Add STI to settings model

Also adds some tests for rendering new/missing STI models, and
refactors the old default_settings loader into the new sub-models.

fixes #2248 adds api controllers and actions to access_permissions.rb

fixes #2398 - fix ruby 1.9 issue when loading free ip, causing {} in URL

fixes #2390 - Add :host_id to BMC options hash

Also make power actions return a simple true/false instead of JSON
   and add a helper to generate the bmc urls

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 #2268 - exec puppet in Bundler-less env, don't touch PATH when puppetgem is set