Minor improvements to the Vagrantfile.
Minor improvements to the Vagrantfile.

meilinger/firecares-ansible,FireCARES/firecares-ansible,ROGUE-JCTD/vida-ansible,ROGUE-JCTD/vida-ansible,ROGUE-JCTD/vida-ansible,ProminentEdge/flintlock-ansible,ROGUE-JCTD/vida-ansible,FireCARES/firecares-ansible,ROGUE-JCTD/vida-ansible,meilinger/firecares-ansible,ROGUE-JCTD/vida-ansible,ROGUE-JCTD/vida-ansible,ROGUE-JCTD/vida-ansible,ProminentEdge/flintlock-ansible,FireCARES/firecares-ansible