Update conf.py
update copyright year in the docs
@@ -72,7 +72,7 @@ master_doc = 'index'
# General information about the project.
project = 'repo2docker'
-copyright = '2017, Project Jupyter'
+copyright = '2019, Project Jupyter'
author = 'Project Jupyter'
# The version info for the project you're documenting, acts as replacement for
