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,...

Fixes #983 - implement 3 state boot

set apiadmin user in headers before api controller tests

smart proxies api - filtering by proxy type

This commit adds most of the functionality required for API v1

The overall goal was to extract the existing JSON response
overall controllers, and to move them to a seperate name space.

• documentation was added to all requests (available under /apidoc)...

fixes #1957 - remove old libvirt hypervisors code

Since foreman 1.0 libvirt hypervisors are now part of compute resources
this patch removes the old code and migrate any existing hypervisors to
be libvirt based compute resources.

fixes #1872 - Adds Puppet v3 support

Fixed validation error handling and auth durin admin user creation

Fixed array structure in API v1 user controller test

Refs #1920 : Fix failing tests for Setting[:foreman_url] Ensure plain 'http' protocol is used in templates Add a test to ensure http is used when https is in @request