Make `admin/build-vagrant-box` output JSON metadata.
Make `admin/build-vagrant-box` output JSON metadata.

moypray/flocker,AndyHuu/flocker,lukemarsden/flocker,LaynePeng/flocker,mbrukman/flocker,agonzalezro/flocker,lukemarsden/flocker,runcom/flocker,hackday-profilers/flocker,jml/flocker,Azulinho/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,LaynePeng/flocker,mbrukman/flocker,1d4Nf6/flocker,runcom/flocker,wallnerryan/flocker-profiles,Azulinho/flocker,achanda/flocker,Azulinho/flocker,AndyHuu/flocker,runcom/flocker,adamtheturtle/flocker,moypray/flocker,w4ngyi/flocker,moypray/flocker,adamtheturtle/flocker,1d4Nf6/flocker,1d4Nf6/flocker,mbrukman/flocker,jml/flocker,adamtheturtle/flocker,w4ngyi/flocker,w4ngyi/flocker,wallnerryan/flocker-profiles,agonzalezro/flocker,achanda/flocker,LaynePeng/flocker,achanda/flocker,hackday-profilers/flocker,AndyHuu/flocker,agonzalezro/flocker,jml/flocker,lukemarsden/flocker