Init base oauth API & user API

1. OAuth2 API

https://deepinid.linuxdeepin.com/oauth2/authorize
https://deepinid.linuxdeepin.com/oauth2/token
https://deepinid.linuxdeepin.com/oauth2/info
https://deepinid.linuxdeepin.com/oauth2/revoke

2. User API

https://deepinid.linuxdeepin.com/user/info

3. Admin API

https://deepinid-deepin.rhcloud.com/admin/register_user
https://deepinid-deepin.rhcloud.com/admin/delete_user
https://deepinid-deepin.rhcloud.com/admin/update_user
https://deepinid-deepin.rhcloud.com/admin/query_user