cat agent代码重构
milestone for Agent
添加sigar库，修改pom.xml，添加sigarutil
support dal heartbeat report
Merge branch 'master' of code.dianpingoa.com:arch/cat
resolve conflicts
delete log fiel
代码完善，调优
Merge pull request #355 from jialinsun/master

cat agent代码重构
cdn report filter
Merge pull request #359 from zengwei0771/master

cdn report filter
modify the agent
merge the cnd