update project info from merge cmdv info and db info
Merge pull request #330 from youyong205/master

refactor
add new page - DomainMetricsRuleConfig
merge newest code
add MetricType for rule
change MetricAlert to judge based on rule
add default metric monitor rules
change from old cmdb to new cmdv
remove ProjectUpdateTask run
Merge pull request #331 from leonindy/master

call new cmdb, append cmdb info, monitor metrics by rule, add default metric rule
Merge branch 'master' of github.com:dianping/cat
modify the heartbeat
modify the alert