introducing new version of core data model, now with image url field on play cut

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>
renaming playlist field on playlist controller to playlistEntries

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>
fixed shadow layer issues in iOS 8

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>
fixed shadow layer issues in iOS 8

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>
playlist → playlistEntries

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>
refactored image downloading logic… more of this to come

Signed-off-by: Jake Bromberg <jake.bromberg@gmail.com>