Marios

In our tests, we had to set `cassandra-journal.events-by-tag.enabled = false` for recovery to work. Otherwise, recovery would fail sporadically, even though we are not using query or tags.

I took a look at reactive-grpc, and it seems fairly straight forward to provide a similar implementation for Akka Streams. I took a stab at doing a quick POC implementation...

I submitted a PR (#45) to get dbcUpload working again under the 1.2 API. I verified that at least libraries/list and libraries/delete still work but not the other calls