export xdcr_upr_streamer:read_message_loop/2

Change-Id: Ia0990cd3ad7ae8e3eaea6a0f69356267dc39ce39
Reviewed-on: http://review.couchbase.org/37551
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
expose cluster datatype support in bucketCapabilities

Presense of datatype in bucketCapabilities indicates that all cluster
nodes support datatype extension.

Change-Id: I442789d80696f42e75dfc21c80a728769b2a0624
Reviewed-on: http://review.couchbase.org/37418
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
capture bucket capabilities in xdcr's #remote_bucket{}

Change-Id: I5cb24f550ab2f333a9005c1df291ebda24e11915
Reviewed-on: http://review.couchbase.org/37552
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>