finish coding for alert summary module
fix serval bugs for alert summary module
add summary page, need to fix bugs
alert summary phase 1
add creation-date for alert-summary dal
resolve conflicts
Merge branch 'master' of https://github.com/dianping/cat
move summary to statistics tab
add FTLDecorator
add visitor
store for backup
fix bugs
fix serval bugs
merge by domains for dependency business alerts
add contact info when storing and sending alerts
add contact info in metric dashboard page
change bugs that metric ids from different domains may equal
refactor send alert module
refactor send alert module for exception alert
refactor sender from enum to inherit