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/Network/ConnectionHelper.m

@@ -0,0 +1,40 @@
+//
+//  ConnectionHelper.m
+//  Moonlight macOS
+//
+//  Created by Felix on 22.03.18.
+//  Copyright © 2018 Felix. All rights reserved.
+//
+
+#import "ConnectionHelper.h"
+#import "ServerInfoResponse.h"
+#import "HttpManager.h"
+#import "PairManager.h"
+#import "DiscoveryManager.h"
+
+@implementation ConnectionHelper
+
++(AppListResponse*) getAppListForHostWithHostIP:(NSString*) hostIP deviceName:(NSString*)deviceName cert:(NSData*) cert uniqueID:(NSString*) uniqueId {
+    HttpManager* hMan = [[HttpManager alloc] initWithHost:hostIP uniqueId:uniqueId deviceName:deviceName cert:cert];
+    
+    // Try up to 5 times to get the app list
+    AppListResponse* appListResp;
+    for (int i = 0; i < 5; i++) {
+        appListResp = [[AppListResponse alloc] init];
+        [hMan executeRequestSynchronously:[HttpRequest requestForResponse:appListResp withUrlRequest:[hMan newAppListRequest]]];
+        if (appListResp == nil || ![appListResp isStatusOk] || [appListResp getAppList] == nil) {
+            Log(LOG_W, @"Failed to get applist on try %d: %@", i, appListResp.statusMessage);
+            
+            // Wait for one second then retry
+            [NSThread sleepForTimeInterval:1];
+        }
+        else {
+            Log(LOG_I, @"App list successfully retreived - took %d tries", i);
+            return appListResp;
+        }
+    }
+    return nil;
+}
+
+@end
+