+per #15424 Added PersistentView, deprecated View

A PersistentView works the same way as View did previously, except:

* it requires an `peristenceId` (no default is provided)
* messages given to `receive` are NOT wrapped in Persistent()

https://github.com/akka/akka/issues/15424
thanks :) it's probably in all 3 versions then, I write in one and copy paste to others then