modify the jsp
modify the offline function
Merge branch 'master' of github.com:dianping/cat
fix npe
modify the handler
merge
modify the app creator
Merge pull request #563 from leonindy/master

amend HeartbeatAlert, which can work now
modify
modify the state machine show
Merge pull request #564 from youyong205/master

state page sort ,fix command lowcase
add UserDefined RuleType
Merge branch 'master' of https://github.com/dianping/cat