Rename 'src' directory to 'ndn-cxx'

Change-Id: I14394023680901a86977313ca87fb017333614dd
Refs: #3084
diff --git a/docs/conf.py b/docs/conf.py
index 0af0eb2..9e76dff 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -65,7 +65,7 @@
 
 # General information about the project.
 project = u'ndn-cxx: NDN C++ library with eXperimental eXtensions'
-copyright = u'Copyright (c) 2013-2017 Regents of the University of California.'
+copyright = u'Copyright (c) 2013-2018 Regents of the University of California.'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.