tree 6a3734dcf8a906f6c22400229210b6a8e58a5aa0
parent 294d9726297c041b0e0409b0fc33300424662f20
author yang-g <yangg@google.com> 1436855477 -0700
committer yang-g <yangg@google.com> 1436855863 -0700

Clarify the oauth2_auth_token scenario and add the per call credentials scenario