Update the copyright credits -- Happy new year 2014!

FIXME: Dragonegg may be updated at non-trivial changes.
llvm-svn: 198274
diff --git a/clang/docs/conf.py b/clang/docs/conf.py
index 470228f..1963a05 100644
--- a/clang/docs/conf.py
+++ b/clang/docs/conf.py
@@ -41,7 +41,7 @@
 
 # General information about the project.
 project = u'Clang'
-copyright = u'2007-2013, The Clang Team'
+copyright = u'2007-2014, The Clang Team'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the