Update copyright year

README.md

@@ -469,7 +469,7 @@ You may encounter issues with GUI editors which maintain only one instance by de
 - [Johnathan Jenkins](https://github.com/shaggytwodope)
 - [SZ Lin](https://github.com/szlin)
 
-Copyright © 2015-2019 [Arun Prakash Jana](mailto:engineerarun@gmail.com)
+Copyright © 2015-2020 [Arun Prakash Jana](mailto:engineerarun@gmail.com)
 <br>
 <p><a href="https://gitter.im/jarun/Buku"><img src="https://img.shields.io/gitter/room/jarun/buku.svg?maxAge=2592000" alt="gitter chat" /></a></p>
 

buku

@@ -2,7 +2,7 @@
 #
 # Bookmark management utility
 #
-# Copyright © 2015-2019 Arun Prakash Jana <engineerarun@gmail.com>
+# Copyright © 2015-2020 Arun Prakash Jana <engineerarun@gmail.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -2706,7 +2706,7 @@ SYMBOLS:
       #                    tags
 
 Version %s
-Copyright © 2015-2019 %s
+Copyright © 2015-2020 %s
 License: %s
 Webpage: https://github.com/jarun/Buku
 ''' % (__version__, __author__, __license__))

buku.1

@@ -821,7 +821,7 @@ Arun Prakash Jana <engineerarun@gmail.com>
 .SH REPORTING BUGS
 .I https://github.com/jarun/Buku/issues
 .SH LICENSE
-Copyright \(co 2015-2019 Arun Prakash Jana <engineerarun@gmail.com>.
+Copyright \(co 2015-2020 Arun Prakash Jana <engineerarun@gmail.com>.
 .PP
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
 .br