fixes #1809 - foreman realm integration

fixes #1966 - improved UI errors for proxy

fixes #3214 - set taxonomy for hosts created via Puppet from facts or a default setting

Fixes #4680 - Don't append periods to unqualified unmanaged hosts

fixes #4256 - makes columns sortable in the UI

fixes #4123 - libvirt imaging support using backing volumes

fixes #4485 prevents undefined method when cloning a host

fixes #4583 - Added Environment name to rundeck output

fixes #4524 - The logged in user should be the default one in create new hosts

fixes #812 - new permissions model, user group role and nest support, role filters for better granularity

• Daniel Lobato <elobatocs@gmail.com>
• Joseph Magen <jmagen@redhat.com>
• Tom McKay <thomasmckay@redhat.com>
• Greg Sutcliffe <gsutclif@redhat.com>...