* Segregate tests and mocks and wire up integration test base
* Switch to a production version of predicting a deployment address
* Add integration test for exchange governor migration
* Add integration test for treassury migration
* Add integration test for migrating the treasury
* Add governance upgrade action to transfer ZRX tokens to new governor
* Add governance upgrade action to transfer wCELO tokens to new governor
* Add governance upgrade action to transfer WYV tokens to new governor
* Turn on verbose logging