Update copyright notices

Author: taku0

swift-mode-beginning-of-defun.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-beginning-of-defun.el --- Major-mode for Apple's Swift programming language, beginning/end-of-defun. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2018 taku0
+;; Copyright (C) 2014-2019 taku0
 
 ;; Authors: taku0 (http://github.com/taku0)
 ;;

swift-mode-font-lock.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-font-lock.el --- Major-mode for Apple's Swift programming language, Font Locks. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2018 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2019 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev, Michael Sanders
 
 ;; Authors: taku0 (http://github.com/taku0)

swift-mode-indent.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-indent.el --- Major-mode for Apple's Swift programming language, indentation. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2018 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev
+;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev
 
 ;; Authors: taku0 (http://github.com/taku0)
 ;;       Chris Barrett <[email protected]>

swift-mode-lexer.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-lexer.el --- Major-mode for Apple's Swift programming language, lexer. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2018 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev
+;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev
 
 ;; Authors: taku0 (http://github.com/taku0)
 ;;       Chris Barrett <[email protected]>

test/swift-mode-test-beginning-of-defun.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-test-beginning-of-defun.el --- Test for swift-mode: beginning-of-defun -*- lexical-binding: t -*-
 
-;; Copyright (C) 2017-2018 taku0
+;; Copyright (C) 2017-2019 taku0
 
 ;; Authors: taku0 (http://github.com/taku0)
 ;;

test/swift-mode-test.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-test.el --- Test for swift-mode  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2016-2018 taku0
+;; Copyright (C) 2016-2019 taku0
 
 ;; Authors: taku0 (http://github.com/taku0)
 ;;