fixes #952: adds a check to test deployment script to make sure it only runs as tomcat user
fixes #952: adds a check to test deployment script to make sure it only runs as tomcat user

zhang4952/scholarsphere,ndlib/scholarsphere,samvera/hyrax,samvera/hyrax,jeremyf/sufia,zhang4952/scholarsphere,jeremyf/sufia,ndlib/scholarsphere,samvera/hyrax,zhang4952/scholarsphere,samvera/hyrax,zhang4952/scholarsphere,ndlib/scholarsphere