Rewrote the Controller class in Swift (#216)

* Enabled Defines Modules for swift code

* Created bridge header, created swift Controller

-  Created Controller.swift
-  Created bridge header for use of objc in swift

* Finished porting Controller files to swift

* Added comments, created MoonlightUnitTest

-  Added comments for Controller.swift
-  Created MoonlightUnitTest for testing new class

* Started writing tests for ControllerUnitTests

-  General formatting
-  Wrote helper functions
-  Wrote tests for first four properties

* Finished writing Controller tests

* Removed commented out lines

Limelight/Input/Controller.m

@@ -1,15 +0,0 @@
-//
-//  Controller.m
-//  Moonlight
-//
-//  Created by Diego Waxemberg on 2/1/15.
-//  Copyright (c) 2015 Moonlight Stream. All rights reserved.
-//
-
-#import "Controller.h"
-
-@implementation Controller
-@synthesize playerIndex;
-@synthesize lastButtonFlags, emulatingButtonFlags, lastLeftTrigger, lastRightTrigger;
-@synthesize lastLeftStickX, lastLeftStickY, lastRightStickX, lastRightStickY;
-@end