modify the topology graph display
add the model
Merge branch 'biz' of github.com:dianping/cat into biz
modify the metric display
modify the cat problem
add testcase
Merge pull request #119 from youyong205/biz

add bug report
modify the metric jsp
modify the cat init
modify the cat problem
modify the version
modify the pom
Merge pull request #120 from unidal/biz

bug fix for chrome plugin
Merge pull request #121 from youyong205/biz

Biz
revert the version to 0.6.2-SNAPSHOT
modify the dao and service
add the bug page
fix bug problem
modify the state report
modify the bug http api