doc: update copyright year to contain range 2009-2015

Now it is accurate and provides more information to the
reader of the documents.

diff --git a/doc/conf.py b/doc/conf.py
index 8fbc8544b0b1693aeba51350d24d6aeb2234a259..65adafeb1cef2e89b3409dcb9912c4e9bb993ac0 100644 (file)
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -12,7 +12,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'notmuch'
-copyright = u'2014, Carl Worth and many others'
+copyright = u'2009-2015, Carl Worth and many others'
 
 location = os.path.dirname(__file__)