[OAuth2Provider] Append OAuth2 token management page to API Token management for account preference

Review Request #7941 — Created Feb. 3, 2016 and discarded — Latest diff uploaded

Information

Review Board
master

Reviewers

User need a page to manage list of all OAuth2 tokens that have been authorized.
The OAuth2 managment is added as an extension to the current API token management page
However, it stay as a separete dialog box to be clear

Manualy tested on browser