ipython/ipython — pull request #2530 by dannystaple (2012-10-29 13:17:32+00:00)
Title: Adding time offsets to the video

These changes allow a youtube video to be embedded with a start time offset.

This is based on the suggestions here - http://stackoverflow.com/questions/13119791/can-the-ipython-notebook-youtubevideo-class-play-from-time-offset.