developerforce/Force.com-JavaScript-REST-Toolkit — pull request #45 by wesnolte (2013-09-14 13:02:08+00:00)
Title: Added 'currentUser' to retrieve the current users information.

Currently the simplest way to get information about the current user is to interrogate the Chatter REST endpoint "/chatter/users/me/". I've found this useful in many use cases, hopefully others will too.