if yes, the server may dynamically adapt the size of the response, in order to ensure that
HTTP responses do not get out of hand size-wise. This is a new feature in devel, and this
commit now makes it optional so that older clients do not need to be changed.
* Make isRestore work in the cluster.
This covers sharded collections with default sharding and non-default
sharding.
* always use locally generate revision ids for storing and looking up documents