Fix vinyl control manager so it loads preferences for decks created by skins.
Only write preferences for decks that existed
Prevent attempts at reading NULL vinyl control CO
use a QList instead of array for vc enabled COs.
Add deck number flexibility to vinyl preferences page.
Use the default AutoConnection
Merge pull request #125 from ywwg/vinyl-4decks

Fix vinyl control manager so it loads preferences for decks created by skins