Adding youtube player class
Removing test code
Adding wrapping quotes and checking preg match success
Fixing double if typo
Removing all player fields and just adding a video url field with a handler callback
Removing player fields from js
Removing trailing semicolon
Adding method to check if valid youtube url and setting player data meta on save
Adding custom non-editable fields to display player data
Adding callback for mapping
Deleting meta if no valid url