Add more details in upr stream timeout log

Added bucket, name, start_seqno and end_seqno information in
the stream timeout log message.

Change-Id: If2e2d84d8502b1f24c96669a3a74913836ec9ec4
Reviewed-on: http://review.couchbase.org/38733
Reviewed-by: Volker Mische <volker.mische@gmail.com>
Reviewed-by: Sarath Lakshman <sarath@couchbase.com>
Tested-by: buildbot <build@couchbase.com>