fix(server): Add some CouchDB options to avoid replication errors
fix(server): Add some CouchDB options to avoid replication errors

This is an attempt to migitage these:

    [error] 2018-01-16... -------- mem3_shards tried to create shards/00000000-1fffffff/user_51542c5a-373a-42c7-a2a5-0ae146d8f7aa.1516118578, got {error,all_dbs_active}
    [error] 2018-01-16... -------- mem3_shards tried to create shards/20000000-3fffffff/user_51542c5a-373a-42c7-a2a5-0ae146d8f7aa.1516118578, got {error,all_dbs_active}
    [error] 2018-01-16... -------- mem3_shards tried to create shards/40000000-5fffffff/user_51542c5a-373a-42c7-a2a5-0ae146d8f7aa.1516118578, got {error,all_dbs_active}
      ...
    [error] 2018-01-16... -------- mem3_shards tried to create shards/e0000000-ffffffff/user_51542c5a-373a-42c7-a2a5-0ae146d8f7aa.1516118578, got {error,all_dbs_active}
    [error] 2018-01-16... 0e539b3ac6 req_err(2358014093) internal_server_error : No DB shards could be opened.

adrienverge/coucharchive