Translations:ReleaseNotes/Liberty/25/zh-hans

https://blueprints.launchpad.net/nova/+spec/allow-ip6-search-for-non-admin)
 * 为所有的endpoints默认使用v2.1的API，v2.0和v1.1使用了新的兼容模式，对已经使用API的用户过渡更平稳. (https://blueprints.launchpad.net/nova/+spec/api-relax-validation)
 * Evacuate机制更加健壮(局部)(https://blueprints.launchpad.net/nova/+spec/robustify-evacuate)
 * New "mark host down"/"force down" API for external high availability tools to notify Nova in the event of a host failure (http://specs.openstack.org/openstack/nova-specs/specs/liberty/approved/mark-host-down.html).
 * 新的"将主机标记为down"/"强制down"的API，当主机故障时，可以让外部的高可靠工具通知Nova(http://specs.openstack.org/openstack/nova-specs/specs/liberty/approved/mark-host-down.html).
 * 合并获取consoles的API https://blueprints.launchpad.net/nova/+spec/consolidate-console-api
 * 在os-fixed-ipsAPI中显示'保留'状态(https://blueprints.launchpad.net/nova/+spec/show-reserved-status-in-os-fixed-ips-api)
 * 允许非管理员用户根据IPv6查询(
 * 在添加租户访问权限前检查规格类型(https://blueprints.launchpad.net/nova/+spec/check-flavor-type-before-add-tenant)
 * 在rebuild_instance(重建虚拟机)中，将参数on_shared_storage(是否在共享存储)标记可选(https://blueprints.launchpad.net/nova/+spec/optional-on-shared-storage-flag-in-rebuild-instance)
 * 策略检查已经从数据库层面删除，所以现在只存在于API层(https://blueprints.launchpad.net/nova/+spec/nova-api-policy-final-part)
 * 在虚拟机网卡列表的API请求中增加VIF net-id(https://blueprints.launchpad.net/nova/+spec/add-vif-net-id-in-vif-list)
 * 将glance镜像meta属性转化为NovaObject(部分)(https://blueprints.launchpad.net/nova/+spec/convert-image-meta-into-nova-object)
 * 在server获取的返回中增加锁定信息(https://blueprints.launchpad.net/nova/+spec/add-locking-information-in-server-get-response)
 * 允许管理员用户查看任何keypair(https://blueprints.launchpad.net/nova/+spec/admin-query-any-keypair)
 * Metadata：将project_id加入liberty版本的metadata(https://blueprints.launchpad.net/nova/+spec/project-id-in-metadata)
 * Metadata：将路由信息注入网络模板引擎(https://blueprints.launchpad.net/nova/+spec/network-template-routes-injection)
 * Metadata：API：为guest实例添加neutron代理配置(部分)(https://blueprints.launchpad.net/nova/+spec/metadata-service-network-info)