Add account name to network error messages and prevent background iOS errors from displaying alerts

iOS/ErrorHandler.swift

@@ -0,0 +1,25 @@
+//
+//  ErrorHandler.swift
+//  NetNewsWire-iOS
+//
+//  Created by Maurice Parker on 5/26/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import UIKit
+import RSCore
+import os.log
+
+struct ErrorHandler {
+
+	private static var log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Account")
+
+	public static func present(_ error: Error) {
+		UIApplication.shared.presentError(error)
+	}
+	
+	public static func log(_ error: Error) {
+		os_log(.error, log: self.log, "%@", error.localizedDescription)
+	}
+
+}