Fixed events time zone bug
[personal/shares --> repos] improved urls for repo, cleaned up code for share/repos
[organization libs] added 'repo create' btn back
[grp pubfile] modified css for file download
[shared file view] improved ui/interaction of 'download'
[pubuser] search pubuser
[pubuser] add ui for user search
[pubuser] Fixed duplicated search records
Fixed same type events grouping bug
Rename locale files
Disable deleting system library
[file view in shared_dir] added prev/next for images
[shared dir view] modified ui for 'zip', fixed 'download' hover bug
[avatar] Fixed email leak issue
Update seafile version
Fixed group wiki index bug and i18n
Modified pubuser
[pubuser] Add search to template
improve preview of excel files
[excel view] improved ui