fixes #3794 - don't validate IP address that's later provided by a CR
fixes #2983 - Add autosign#index to API v1 and v2 and remove from UI controller
fixes #3524 - api cannot reference smart proxies by name when they contain a "."
fixes #3822 - updated Rackspace datacenter list
fixes #3820 - adds exception output to menu item authorization check
Make importing more generic

Plugins can now easily register own fact importers.
FactNames organized in tree using ancestry

STI support for FactName
UI reflects tree structure of facts
bootstrap icon images
Fixed integration tests