fixes #777 - this enable auditing of when a host is changing its puppet class assignmetns

one limitation of this patch is that at the moment, each class change
gets its own audit record.

fixes #322 Ability to add custom variables and multiple values resovled
in a dynamic Hierarchally order

This commits introduces the ability to define variables per puppet
class.

additionally, each class can have multiple values, depends on the host
which is requesting that variable....

fixes #100 - Setting is now a ActiveRecord object

This allows users to manage foreman settings via the UI.

the UI is a bit ugly, but works :)

fixes #968 - cannot search a puppetclass by name

fixes #899 - There are numerous typos and formatting issues with the code

fixes #827 add support for retrieving classes per host via the api

This allows queries like
/hosts/fqdn/puppetclasses
/puppetclasses/klass/hosts

it also changes the puppetclasses urls to include the class name instead of its ID.

added search to puppet classes page #refs 719

fixed broken tests

added default order and paginations which
fixes #721
fixes #688

fixes #698 - Searching for puppetclass in json format gives 500 error

Fixes #450 - Environment imports lose their puppetclass associations

Fixes #366 - Redmine authorization port

This is a major feature which provides RBAC authorization within Foreman
a mental note to myself - never ever work on large commits

fixes #325 - Retrieve a list of all puppet classes using the REST API

Fixes #351 - puppet rdocs need a link to the class browser for that environment

Fixes #239 - Erases environments and puppetclasses

The fix also includes a page in which the use selects the additions
and removals which they would wish to apply to their database.
Errors are reported and an opportunity is given to reapply the changes.

fixes #365 - puppet rdoc generation fails with puppet 2.6

fixes #302 and all references to_label and to_s
removed references to all per_page settings as they are common now

Fixes #101 - Generate rdoc files and html links on the puppetclasses page

Rewite rdocs if required by the prepare phase
Incorporate Fank Sweetser's :: patch
Incorporate a url_helper suggested by Ohad
Added a new interface via links on the supported environments list

fixes #277 - add search options to puppet classes page

• added better module detection to properly show the module list
• Add sorting to module class lists
• Add description to each link

fixes #200 - Remove activescaffold from the puppet groups page

fixes #199 - adds a search functionality to puppetclass page

fixes #199 - Remove activescaffold from the puppetclasses page, search functionality will follow

added audting on architecture, hostgroup, operatingsystem and puppetclass

finished tests for environment

added test for pupetclass

Puppetclasses tests on green

fixes #119 - Recurse into module directories when looking for classes

fixes #89 - this adds basic graphs and charts for your inventory, it
also includes minor changes to the dashboard graphs

Added Groups to puppet classes, now its possible to associate a host with a group of classes
it also allowed to setup parameters per group and override them in the host level

I've done it late at night, so who knows :)

added import of puppet classes

Add support for multiple puppet classes per host / operating system / environment etc
this should enable a proper dropdowns when creating the gui part that shows possible puppet class / operating system / env combinations

fix external nodes to actully work with multiple puppet classes...