docs: update version number

docs/conf.py

@@ -54,9 +54,9 @@ copyright = '2015, Project Gluon'
 # built documents.
 #
 # The short X.Y version.
-version = '2015.1'
+version = '2015.1.1'
 # The full version, including alpha/beta/rc tags.
-release = '2015.1'
+release = '2015.1.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.