Refs #32 - Make install script injectable in Command/Upgrade/Run.
Merge branch 'master' into feature/32-make-install-script-injectable-in-upgrade-run
Refs #32 - Use existing variable instead of calling get method again.
Merge pull request #32 from synapsestudios/feature/32-make-install-script-injectable-in-upgrade-run

Make install script injectable in Command\Upgrade\Run