Update changelog for 0.7.0
Update changelog for 0.7.0

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