api v2 - systems controller
API V2 - root controller
Api V2 - added releases to environments
Api V2 - system packages controller
Api V2 - system group packages controller
Api V2 - system group errata controller
Api v2 - added ping
api v2 - users controller 2
api v2 - gpg keys controller
api v2 - distributions controller
api v2 - error handling refactored
api v2 - updated spec file
api v2 - changeset content
api v2 - docs and route cleanup
Api V2 - distributors controller added
Api V2 - routes clean out

For easier diffs between V1 and V2
Remove trailing whitespace
Api v2 - content view definitions - fixes
Api V2 - filters controller
Api V2 - filter rules controller