Dash-Industry-Forum/dash.js — pull request #182 by AkamaiDASH (2014-08-05 18:16:24+00:00)
Title: Updating import path for DVRInfo.js in multiple files.

Instead, it must be

Also I think the script must be added to some other html pages:
\samples\ad-insertion\adinsertion_inband.html
\samples\ad-insertion\adinsertion_inline.html
\test\js\utils\DashUtil.html