Playlist for DC class

Started the work on making the playlist functionality operate
correctly. Added the correct order of EnhancedVideoControler, now need
to make the videos start muted and the reporting track correctly.
Implemented the playlist startMuted
Playlist functionality

To do: Create an array to hold all the EnhancedVideoControllers;
Push each new video controller into the array;
Each video controller has to have its own instance name and exist at
all times.
Clean up the mess in the class.