[repo] online GC.
[repo] online GC: improvement
[online GC] modified it.
[fileupload] improved 'add file'
[repo] fixed 'mv/cp' bug
[online GC] modified it.
added i18n.html
[i18n] Update zh_CN
[api] Fix bug in set repo passwod
[base] Fix bug in convert email to id
Merge branch '3.1'