Merge pull request #344 from OpenDataServices/update_copyright_year

Update copyright year to 2020

Author: BibianaC

docs/conf.py

@@ -58,7 +58,7 @@
 
 # General information about the project.
 project = 'Flatten Tool'
-copyright = '2016, Open Data Services'
+copyright = '2016-2020, Open Data Services'
 author = 'Open Data Services'
 
 # The version info for the project you're documenting, acts as replacement for