Fixes #5637 - Don't raise lease conflicts when reading ad-hoc DHCP leases

fixes #4599 - DNS and DHCP records for BMC and managed interfaces not using FQDN

Fixes #4710, #2270 - Wait for VM to become ready before looking for IPs

fixes #5053 - minor bug fixes to realm integration

fixes #4381: dns records are being update after changes to host when dhcp is also present

fixes #1809 - foreman realm integration

fixes #1966 - improved UI errors for proxy

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

fixes #4123 - libvirt imaging support using backing volumes

fixes #4015 - support oVirt using templates like images

Fixes #2270 - Detect all OpenStack IPs and test which allows SSH

fixes #4173 - don't update CR attrs when none available, taken from GH-1184

Fixes #4032 - Use object.id for comparisons

Fixes #4031 - change TFTP record on build flag change

Fixes #3927 - Allow VMs to provision via user-data

fixes #3752 - move data population from migrations into seed script

fixes #3737 - added PXEGrub specific PXE localboot template

fixes #2975 added setting for using the shortname instead of FQDN for new virtual machines

Fixes #2867: use the future relative tense for the orchestration process during provisioning

fixes #2739 - add ActiveSupport::Concern syntax to mixins

fixes #2411 - move files in /models to /concerns, /services, /mailers, /observers