Make the year dynamic

doc/api/astroid.rst

-:mod:`astroid`
-==============
+Nodes API
+=========
 .. automodule:: astroid

doc/conf.py

@@ -12,6 +12,7 @@
 # serve to show the default.
 import sys, os
+from datetime import datetime
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -48,7 +49,8 @@ master_doc = 'index'
 # General information about the project.
 project = u'Astroid'
-copyright = u'2003-2016, Logilab'
+current_year = datetime.utcnow().year
+copyright = u'2003-{year}, Logilab, PyCQA and contributors'.format(year=current_year)
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the