update to version 6.0.0
* Fix the problem of "qos-bandwidth-limit-rule-show"
* Improve Help message of VPN Update CLI
* Drop LBaaS v1 functional tests
* Add segment as an attribute to subnet in client
* Move advanced service functional tests to functional-adv-svcs
* Fix prompt message for qos-bandwidth-limit-rule-create
* Add flavor argument to router
* Add quota support for LB and Listeners
* Add possible updatable options to net-update CLI
* Use upper constraints for all jobs in tox.ini
* Devref: Newton mid-cycle updates for transition to OSC
* Remove discover from test-requirements
* Add 'shared' option to neutron address-scope-update
* Trivial correction in variable name
* Add client exception for HostNotCompatibleWithFixedIps
* Add support to expose default quotas for tenants
* quota-update to return an error msg for 0 args
* Add trunk commands to openstackclient
* Update OSC transition status
* Add Python 3.5 classifier and venv
* Provide client bindings for DELETE method of auto-allocated-topology extension
* Add QoS egress minimum bandwidth rule to neutronclient
* Remove admin-state-down from lbaas-member-update
* Fix the problem of "qos-dscp-marking-rule-show"
* Add long option to network trunk list command
* Make trunk commands handle description for trunk resources
* Add documentation for OSC plugin commands
* Do not check stderr output from shell
* Remove case dependancy for user inputs