[select2 bugfix] removed 'title' for selected item
[repo] 'details' view: fixed '1 click, 2 requst sent' bug
[views] moved some functions from views/__init__.py to views/__ajax__.py
[dir/file share] use ajax to get contacts
Fix a few bugs
Merge branch 'bugfix-lj' into 3.0
Merge branch 'share_improve' into 3.0