修改登录部分 UI
Merge branch 'master' of github.com:eqielb/Lotus-L into feature/groups

Conflicts:
	packages/users/public/controllers/meanUser.js
	packages/users/public/views/login.html
修改登录相关文件
导航链接
lanxi: return jsonp
Merge remote-tracking branch 'remotes/origin/feature/groups'
nanzhu:add null type
nanzhu:add null type