Merge pull request #500 from youyong205/master

refactor
Merge pull request #501 from youyong205/master

modify the jsp
change build default rule logic
add config modification record feature
Merge branch 'master' of https://github.com/dianping/cat into HEAD
trigger git push
Merge pull request #502 from leonindy/master

add record config modification feature,  fix business alert type bug
Merge branch 'master' of github.com:dianping/cat
modify the detail