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.m

@@ -17,5 +17,6 @@
 @dynamic width;
 @dynamic onscreenControls;
 @dynamic uniqueId;
+@dynamic streamingRemotely;
 
 @end