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 #1795 - When deleting compute resource, confirmation box should remind which compute resource is being deleted

add pagination to compute resource

Compute Resources should use the friendly name (e.g. oVirt vs Ovirt)

The new form should save 'New compute resource'

[UI] Fixed inconsistent tab naming for the initially active tab

Openstack uses username/password.

basic openstack support

adds missing EC2 propetries view

fixes #1597 - Restrict compute resources access by user

And add some rights to give non admin users so they can perform some normal actions on the hosts they own.

unit/domain_parameter_test.rb self-broke... added a tiny fix.
Removing compute_resources/vms nesting, it is such a nightmare for functional tests....