Requires ckanext-scheming
To install ckanext-castate_od_schema for development, activate your CKAN virtualenv and do::
git clone https://github.com/OpenGov-OpenData/ckanext-castate_od_schema.git
cd ckanext-castate_od_schema
python setup.py develop
pip install -r requirements.txt
ckan.plugins = ... custom_schema scheming_datasets