Conflicts:
	lms/templates/video.html

wire through course asset path information to the video playback module and corresponding .coffee files

Add a download link to the video player. The link is defined
in the content xml using the following structure:

<video youtube="youtubestring">
    <track kind="subtitle" src="subtitle_link" />
</video>

Add a download link to the video player. The link is defined in the
content xml using the following structure:

<video youtube="youtubestring">
  <source src="video_link"/>
</video>

* update templates and code references
* also a display_name property that defaults to cleaned url_name

Get the video module pointing to the correct static files directory, without relying on get_html replacement

Make user profiles work again after the switch to an XMLModuleStore. Staff user histograms are still broken