Update copyright year

Author: Hugo Osvaldo Barrera

docs/source/conf.py

@@ -44,7 +44,7 @@
 
 # General information about the project.
 project = 'python-barcode'
-copyright = '2010-2017 Thorsten Weimann et al'
+copyright = '2017-2020 Hugo Osvaldo Barrera <hugo@barrera.io>, et al'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the

docs/source/license.rst

@@ -1,14 +1,10 @@
-pyBarcode License
-=================
+License
+=======
 
-This package is distributed under the MIT license:
+python-barcode is distributed under the MIT license::
 
-The MIT License
----------------
-
-Copyright (c) 2010-2013 Thorsten Weimann
-
-::
+    Copyright (c) 2017-2020 Hugo Osvaldo Barrera <hugo@barrera.io>, et al
+    Copyright (c) 2010-2013 Thorsten Weimann
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
@@ -27,4 +23,3 @@ Copyright (c) 2010-2013 Thorsten Weimann
     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     THE SOFTWARE.
-