Merge pull request #92 from jun-lu/master

get update
Merge pull request #93 from jun-lu/master

21号接口bug
invite module
Merge branch 'master' of https://github.com/CKHuang/webchat
invite page
edit
edit invite page
edit-account, edit-avatar, bind-mail page
Merge pull request #104 from CKHuang/master

edit invite page