Update setup.py
Update setup.py

update ckan from PYPI to bcgov forked branch
HighwayThree/ckanext-bcgov,HighwayThree/ckanext-bcgov,Mbrownshoes/ckanext-bcgov,HighwayThree/ckanext-bcgov,Mbrownshoes/ckanext-bcgov,Mbrownshoes/ckanext-bcgov,bcgov/ckanext-bcgov