* Moved smtk/graph/TypeTraits.h -> smtk/graph/detail/TypeTraits.h and
re-namespaced the traits
* Renamed NodeStorage to NodeContainer to be consistent with other traits
* Rename eraseNode -> eraseNodes and return the number of nodes erased
* Update the smtk::graph::Component::setId implementation to consider
  the edge case of the component having a resource reference but not
  being in the resource. Resets the resource reference if this is the
  case.
* Updated release note to reflect changes.