fixes #4198 - API v2 - add child nodes to show responses. Ex. architecture should show operating systems node

fixes #4222 Add capability to compute resource API to retrieve cluster,network,storage info on oVirt

fixes #3912 - add inheritance for locations / organizations

fixes #3939 - add option to 'inherit from parent' for hostgroup attributes

fixes #4268 - don't search for host with nil IP on hostname spoofing

Fixes #4221: add :dependent => :destroy for compute profiles on compute resource

refs #4289 - tests for adding, deleting and updating lookup_values on host

fixes #3845 - user login session ending clears chosen organization

fixes #3596 - validation error when user with hostgroup subscription creates a new hostgroup

Fixes #4341: Adds a new organization taxonomy that is labeled empty.