Fix unwanted concatenation of repos in RM command
Fix unwanted concatenation of repos in RM command

Fixes #40

jboss-dockerfiles/dogen,goldmann/dogen,jboss-container-images/concreate,goldmann/dogen,jboss-dockerfiles/dogen,goldmann/dogen,jboss-container-images/concreate,jboss-container-images/concreate,jboss-dockerfiles/dogen