Rb/348 cc media tab

-The Custom Collection "Media" tab displays media in a similar way to the search results page.
-A user can click on the thumbnail within the "Media" tab and have video playback.
-A user can click on the text description of the asset within the "Media" tab and be taken to the record 

Next steps: 

Could not determine how to grab the poster image for assets without videos. Will need to work with Drew on this. Perhaps we could separate that out into its own ticket?