Remove ability to play episode
Remove unused UILabel propertys
Refactor the download methods to remove dependence on the table view cell and support resuming of download if episode already is partial downloaded

Added AFDownloadRequestOperation which is now used to download the episodes instead of AFHTTPRequestOperation because it has built in support for resuming partially downloaded data.

Removed the downloadProgress block from IGHTTPClient downloadEpisodeWithURL:targetPath:success:failure because it's not needed.

IGEpisode isCompletelyDownloaded now checks to see if the episode exists in the Episodes directory and isPartiallyDownloaded checks to see if a temp file exists in the Incomplete directory.

IGEpisodeTableViewCell now sets the downloadStatus to IGEpisodeDownloadStatusNotDownloading if download operation is paused.
Update the submodule
Change MagicalRecord deprecated saving methods have been replaced with the new methods

All MagicalRecord saveInBackgroundWithBlock:completion: method calls have been removed and the new saveWithBlock:completion: method is now being used. Also MR_saveNestedContexts has been replaced by MR_saveToPersistentStoreAndWait.
Change checking if episode can be streamed over cellular network now uses AFNetworking networkReachabilityStatus property
Remove reachability framework because it's not needed
Remove import of Reachability header file