fixes #3931: rbvmomi gem has been pinned to ~> 1.6.0
fixes #4161: plugin ActiveRecord models that do no define 'name' method no longer throw NoMethodError when to_s is called
Fixes #4032 - Use object.id for comparisons
fixes #3697, #3701 - more comprehensive field validations
refs #3697, #3701 - fix test with multiple validation failures
fixes #3960 - wrap APIv2 errors in an "error" node
fixes #2866 - Changing a hostgroup name doesn't update associated Smart Variable matchers
fixes #4188 - api/v2/status incorrectly shows api_version: 1
fixes #4186 - db:seed fails when install media exists with same URL
fixes #4189 - Facts charts are not rendered
fixes #4005 - ensure standalone Rabl.render works outside of a controller
fixes #4178 - updating i18n extracting rake task and makefile
fixes #3553 - add "except" option to prevent puppet class import to select types of import
Fixes #4196 "Power ON this machine" disappeared for new VMWare hosts