fix #352. rename messages.en to messages
assignee: chaning to null without error
help: change install guid url from demo.yobi.io/dlab/yobi to github.com/nforge/yobi
fixed #355: removed duplicated metion list
Merge pull request #138 from insanehong/hive refs/heads/master
pullrequest: changed icon at commit event message
Merge pull request #139 from insanehong/hive refs/heads/master