fixes #4314 - ignore default scope ordering on host search by puppet class

fixes #4643 - Retrieving Optional LDAP attributes fails on 1.8.7

fixes #4626 - update Facter calls for 2.0 compatibility

Fixes #4616 - Add a Fog mixin for looking up EC2 IP addresses

refs #4167 - Added inline info regarding root password length policy

fixes #4557: namespaced and mounted plugins no longer cause crash on the filter screen

Fixes #4486 - organization not searchable by name

fixes #4637 - remove search by label from all ancestry objects besides hostgroups

fixes #4123 - libvirt imaging support using backing volumes

fixes #4625 - ensures alerts can have close opt disabled