fixes #6375 - fix needed for Rails 3.2.8 only that ensures reference_id on parameter.rb matches the nested object id
fixes #5140 - User children taxonomies did not show tooltip 'Parent is already selected'
Fixes #6483 - oVirt network is properly populated for multiple datacenters
Fixes #6670 - Update fog to 1.23
Merge remote branch 'origin/develop' into develop