Install the extension into your python environment.
Note: This extension is developed on CKAN 2.0.1 .
For a production site, use the stable branch, unless there is a specific
branch that targets the CKAN core version that you are using.
To install the extension directly from github, use::
(pyenv) $ pip install -e git+https://bitbucket.org/highlatitudes/ckanext-odvl.git#egg=ckanext-odvl