Fix #3682: pin rabl to be less than or equal to 0.9.0
Fixes #3468 - Move token expiry to scope to avoid FK issues
fixes #3669 - migration: minimize amount of User model exposed to migration
fixes #3672: Add in the zanata.xml file for pushing strings to zanata.
fixes #3493 - check if auto user reg is allowed for auth source
fixes #3661 - mis-redirection from /hosts/fqdn/edit to /hosts
fixes #3698 - add image_id alias to server resource as form uses it
fixes #3659 - use URL host for hostname, not URL itself
fixes #2680 - ensure RbVmomi::VIM::ComputeResource is loaded before our ComputeResource