Update copyright year

Author: IngmarStein

Classes/ISTableView.swift

@@ -3,7 +3,7 @@
 //  Monolingual
 //
 //  Created by Ingmar Stein on 27.01.06.
-//  Copyright 2006-2015 Ingmar Stein. All rights reserved.
+//  Copyright 2006-2016 Ingmar Stein. All rights reserved.
 //
 
 import Cocoa

Classes/MainViewController.swift

@@ -1,6 +1,6 @@
 /*
 *  Copyright (C) 2001, 2002  Joshua Schrier (jschrier@mac.com),
-*                2004-2015 Ingmar Stein
+*                2004-2016 Ingmar Stein
 *  Released under the GNU GPL.  For more information, see the header file.
 */
 //

Classes/PreferencesViewController.swift

@@ -3,7 +3,7 @@
 //  Monolingual
 //
 //  Created by Ingmar Stein on Mon Apr 19 2004.
-//  Copyright (c) 2004-2015 Ingmar Stein. All rights reserved.
+//  Copyright (c) 2004-2016 Ingmar Stein. All rights reserved.
 //
 
 import Cocoa

Classes/ProgressViewController.swift

@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 2001, 2002  Joshua Schrier (jschrier@mac.com),
- *  2004-2015 Ingmar Stein
+ *  2004-2016 Ingmar Stein
  */
 
 import Cocoa

Info.plist

@@ -24,7 +24,7 @@
 	<key>CFBundleExecutable</key>
 	<string>Monolingual</string>
 	<key>CFBundleGetInfoString</key>
-	<string>Monolingual version 1.7.3, Copyleft 2001, 2002 J. Schrier, 2004-2015 Ingmar Stein</string>
+	<string>Monolingual version 1.7.3, Copyleft 2001, 2002 J. Schrier, 2004-2016 Ingmar Stein</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
@@ -60,7 +60,7 @@
 	<key>LSMinimumSystemVersion</key>
 	<string>10.11</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyleft 2001, 2002 J. Schrier, 2004-2015 Ingmar Stein.
+	<string>Copyleft 2001, 2002 J. Schrier, 2004-2016 Ingmar Stein.
 Released under the GNU Public License.</string>
 	<key>NSMainStoryboardFile</key>
 	<string>Main</string>