Change default namespace to appid itself

Update exception

首页获取的app列表从配置的环境中拿到 & 创建默认的namespace名字用appid

downgrade jetty version to support java 1.7

fix for java 1.7

ut fix

change apollo-core to 1.7

load namespaces handle release NotFountException

Enhance exception process in portal

item lastModifiedBy

commit log service & create app 表单优化

Refactor logging and add meta service refresh

Add more testcase for exception

Add client side long polling support and server side mock impl

Update createOrUpdate REST API

Easy portal & adminservice integration test

Add auth header

common add aop dependency

Portal index page