Port for macOS (#311)

* merged moonlight-mac with moonlight-ios

* reverted to the original project.pbxproj

* cleaned up the code, fixed lots of unnecessary code duplications

* multicontroller support (not tested)

* new class that can be used for further modularization of the MainFrameViewController

Limelight/Database/Settings.h

@@ -18,5 +18,6 @@
 @property (nonatomic, retain) NSNumber * width;
 @property (nonatomic, retain) NSNumber * onscreenControls;
 @property (nonatomic, retain) NSString * uniqueId;
+@property (nonatomic, retain) NSNumber * streamingRemotely;
 
 @end