modify the system page
add agent
clean before code
refator code
修改系统监控展示层为最小化收取数据模型
resolve conflicts
modify system monitor nag order
modify the testcase
modify the status
Merge pull request #333 from youyong205/master

refactor code
使datetimepicker更友好化，加入了自动判断开始结束时间先后顺序
Merge branch 'master' of https://github.com/dianping/cat
解决冲突
本地处理历史report与model端处理当前report方式保持一致
Merge pull request #334 from jialinsun/master

加入system Agent、system page、修改系统监控展示层为最小化收取数据模型等
modify the code
Merge pull request #335 from youyong205/master

modify the code
Merge pull request #336 from leonindy/master

chadd all on or off feature, add default rules for business and network, refactor packages name
修改系统监控数据生成规则，请忽略Agent修改
Merge branch 'master' of https://github.com/dianping/cat