Revert "Installing Discogs-ObjC via CocoaPods (must build from WMUA-Radio.xcworkspace from this commit forward)"

This reverts commit 25a4fb7a7ae12d7bd5d8cd2840c904247453c2cd.

Conflicts:
	WMUA-Radio/WMUAAppDelegate.m
Implemented Album Art Fetching from iTunes Store API