modify the metric log
transaction alert implement
Merge branch 'master' of https://github.com/dianping/cat
modify jsp
Merge pull request #611 from jialinsun/master

	transaction alert implement
Merge pull request #612 from leonindy/master

fix a bug in HeartBeatAlert: cannot get whole report
modify the config bug
merge code
modify the code
sort the code
modify the current day
modify the code
Merge pull request #613 from youyong205/master

refactor the code
refactor
resolve conflicts
fix alert page's bug
Merge pull request #614 from jialinsun/master

	refactor
Merge branch 'master' of https://github.com/dianping/cat
modify system contactor, extend ProjectContactor
fix HighLoadReportBuilder