add alert summary for exception alert
move overload module to new package, build OverloadReport as pogo
rename table from overload-table to overload
modify dependency configs
refactor overload page
simplify the page
remove cache from overload module
get this hour's failure info
Merge branch 'master' of https://github.com/dianping/cat
Merge pull request #492 from jialinsun/master

modify baseline handle
Merge pull request #493 from leonindy/master

refactor overload module, add summary info for exception alert
refactor code
report module
fix http link bug
Merge branch 'master' of https://github.com/dianping/cat
fix sql error
refactor notify code
modify the releasenote
Merge pull request #495 from jialinsun/master

filter \n for jsp in backend instead of frontend
Merge pull request #494 from leonindy/master

fix http link bug