Merge pull request #3 from ruebot/7.x

Update Travis link for Islandora Foundation transfer.
Add troubleshooting note for properly named video.js directory.

If the video.js distribution is not named 'video.js' in the
Drupal libraries folder, invocation of the video.js code will
silently fail.
Merge pull request #4 from lyrasis/lyr-master

Add troubleshooting note for properly named video.js directory.
Don't double-url() the thumbnail
Merge pull request #5 from lyrasis/lyr-master

Don't double-url() the thumbnail
Fix Video.js library path - no more 404