add two new rule types: SumMaxVal and SumMinVal
app success ration min change dynamically
Merge branch 'master' of https://github.com/dianping/cat
fix app frontend bug
Merge branch 'master' of https://github.com/dianping/cat
Merge pull request #561 from leonindy/master

fix app frontend bug
clean code
Merge branch 'master' of https://github.com/dianping/cat
Merge pull request #562 from jialinsun/master

app success ration min change dynamically
modify the app creator