Merge pull request #345 from atellwu/softbalance

Softbalance 批量更新
Merge pull request #346 from atellwu/softbalance

删除 slb-f5-nginx配置文件
动态修改upstream的name加上vs前缀
vs增加group属性
Merge branch 'slb' of https://github.com/dianping/phoenix
软负载集群管理
Merge pull request #347 from leoliang/master

new feature
修改modals
Merge branch 'slb' of github.com:dianping/phoenix into softbalance