modify the router
Merge branch 'master' of github.com:dianping/cat
ignore .iml
customize uri @ finally
implement app web alert receiver mails mapping
fix npe bug
Merge pull request #521 from jialinsun/master

implement app web alert receiver mails mapping
Merge pull request #520 from leonindy/master

add tag module, add constraint that domain belongs to only one productline, add js for overload page
Merge pull request #519 from sesamezhu/master

customize uri @ finally
Merge branch 'master' of github.com:dianping/cat
add alert name define
refactor code
Merge pull request #524 from youyong205/master

refactor
Merge pull request #523 from jialinsun/master

add alert name define
Merge pull request #522 from leonindy/master

add HeartbeatAlert module
remove logs about sending alert message
change check time interval method
change frontend code about tag module
change MetricItemConfig model
change backend part for tag module