Zaqar will support query queues with 'with_count' to
return the amount of the queues. This will help users to
quickly get the exact total number of queues which they own.
Change-Id: I1d2cdc802ecd76c01671cd5660ae79dd39505d43
Implements: blueprint query-queues-with-count
Signed-off-by: wanghao <sxmatch1986@gmail.com>