Factor out calculation of acecptance test env vars.
Factor out calculation of acecptance test env vars.

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