Bump copyright year

Michael Davis · Michael Davis · commit a6fd173fe5ad · 2016-03-01T00:13:41.000-06:00
diff --git a/jose/__init__.py b/jose/__init__.py
@@ -2,7 +2,7 @@
 __version__ = "0.6.0"
 __author__ = 'Michael Davis'
 __license__ = 'MIT'
-__copyright__ = 'Copyright 2015 Michael Davis'
+__copyright__ = 'Copyright 2016 Michael Davis'
 
 
 from .exceptions import JOSEError
