Allow PLEX connector to work via Plex.tv as well
Update plex.js added comment block

added comment block header for credit
Fixed indentation, jshinted javascript, updated HTML
Merge pull request #426 from j4cknife/master

Update plex.js - added comment block
Merge pull request #427 from inverse/popup-fix

popup tidy up
Update for PLEX Web 2.2.1

they changed the tags for the container of the music player and the artist/track tags.
Merge pull request #421 from dgw/support-plex.tv

Allow PLEX connector to work via Plex.tv as well
Merge pull request #432 from j4cknife/master

Update for PLEX Web 2.2.1