Updated VideoTranscodingStatusUpdateTask to extend RepeatingTask and also updating more attributes
Updated to populate video transcoding flavors on the VideoContainer
Enhanced it to search if internal prefix of fields has . in them. Ex: cms.video.transcodingStatus
Added method to retrieve durationType and TranscodingFlavors
Defined  TranscodingService interace,factory and kaltura implementation. Created TranscodingFlavor object and a task to populate/update  it from kaltura