fixes #3567 Editing an oVirt compute resource can throw errors loading quotas while loading page

fixes #3307 - add troubleshooting to console page

fixes #4333 - added multi-select-rails gem

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

fixes #3845 - user login session ending clears chosen organization

fixes #3903 - fixed menu links when relative URLs are set

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

fixes #4159 Thin provisioning for VMware disks in compute profiles can't be saved