Add jython as virtualenv on Mac

jython_install.sh

# Add jython as virtualenv on Mac

brew install jython

virtualenv -p /usr/local/bin/jython jython-env --no-setuptools
. ./jython-env/bin/activate

wget https://bootstrap.pypa.io/ez_setup.py
python ez_setup.py --insecure

wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py

deactivate
. ./jython-env/bin/activate

jython --version
pip --version