fixes #1809 - foreman realm integration

fixes #4691 - add search for hosts' managed status

fixes #4703 - reset_counters doesn't work for has_many :through relationships on rails 3.2.8

fixes #4682 - smart variable for a puppet class not showing in UI

fixes #4256 - makes columns sortable in the UI

fixes #4626 - update Facter calls for 2.0 compatibility

fixes #4123 - libvirt imaging support using backing volumes

fixes #3827 - adds ldap avatar support

Fixes #4536 - store fix_db_cache setting values correctly as YAML

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>...