Merge pull request #308 from jialinsun/master

modify documents
modify broker service name
modify the broker-service
modify the monitor page to api
remove invalid code
fix intergation error
modify the cat problem
modify AlertConfigTest
add the metric log
fix RuleConfigTest error
fix cat-broker error
Merge pull request #309 from leonindy/master

remove invalid code
fix the metric alert problem
fix many error on alert
rename graph error
Merge pull request #310 from youyong205/master

fix bug
modify the project domain select binary
modify the cat
fix domain add bug
modify the broker-service artifactId name