Dynamically update copyright year at publication

Change-Id: Ic4148e4ab0061f1af00990e11762609fe9f51bf9

doc/source/conf.py

@@ -11,6 +11,7 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+import datetime
 import sys
 import os
 
@@ -50,10 +51,10 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'OpenStack Project Infrastructure Manual'
-copyright = Markup(u'2014, OpenStack Contributors '
+copyright = Markup(u'%s, OpenStack Contributors '
                    u'- use the <a href="https://git.openstack.org/cgit/'
                    u'openstack-infra/infra-manual">infra-manual git repo</a> '
-                   u'to propose changes')
+                   u'to propose changes' % datetime.date.today().year)
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -235,7 +236,7 @@ texinfo_documents = [
 epub_title = u'OpenStack Project Infrastructure Manual'
 epub_author = u'OpenStack Contributors'
 epub_publisher = u'OpenStack Contributors'
-epub_copyright = u'2014, OpenStack Contributors'
+epub_copyright = u'%s, OpenStack Contributors' % datetime.date.today().year
 
 # The language of the text. It defaults to the language option
 # or en if the language is not set.