Merge branch '55-remove-dead-code' into 'dev'

CHANGELOG.md

ckanext/odsh/helpers.py

ckanext/odsh/lib/odsh_icap_client.py

ckanext/odsh/lib/uploader.py

ckanext/odsh/plugin.py

ckanext/odsh/plugin_odsh_icap.py

ckanext/odsh/precondition.py

ckanext/odsh/templates/base.html

ckanext/odsh/tests/ckan_selenium.py

ckanext/odsh/tests/test_env.py

ckanext/odsh/tests/test_rdfexport.py

ckanext/odsh/tests/test_routes.py

ckanext/odsh/tests/test_selenium.py

setup.py

validation.py