modify broker-service
modify batch version3 length validate
modfiy jsp and broker
revert state hide nav
Merge pull request #702 from leonindy/master

refactor alert module, fix serval frontend bugs, improve documents
merge code
modify datetimepicker
fix the msg id factory
modfiy all datetimepicker style
modify the version
fix conflicts
modify datetimepikcer step = 30 m
Merge pull request #703 from leonindy/master

merge newest code which can solve test failures
Merge pull request #704 from jialinsun/master

much fix
modify the config tag
modify the jsp
add check duplicate feature for app name
remove invalid alert
modify the jsp
modify the jsp