Universes can now just be added without deleting first.
Universes can now just be added without deleting first.

Was a safety feature to require explicit removal of universe definition
before re-adding one, but now it's gone. Perhaps, however, we should
retain the group in this case so selections aren't lost?

datreant/datreant,datreant/datreant.core,datreant/datreant.data,dotsdl/datreant,andreabedini/datreant,datreant/datreant.core,datreant/datreant