removed featured property on model objects
removed unnecessary featured imports
removed test for non existent featured imports
created and persisting to featuredContent Realm
lazy allocating HomeVC properties
refactoring HomeVC
fixed crash in MixtapesVC due to change of model objects
lazy allocating mixtapes tableView datasource
moved lazy allocating HomeVC's tableView datasource
fixed crash in TracksVC because of changes to featured content in model
fixed crash within VideosVC because of changes to featured content
moved Font and Color categories to .pch file