fixed refactored docker host var name
fixed refactored docker host var name

RobLoach/kalabox,rabellamy/kalabox,ari-gold/kalabox,joshkoenig/kalabox,kalabox/kalabox-cli,ManatiCR/kalabox,ManatiCR/kalabox,ari-gold/kalabox,RobLoach/kalabox,joshkoenig/kalabox,oneorangecat/kalabox,kalabox/kalabox-cli,rabellamy/kalabox,oneorangecat/kalabox