Fix default virtualenv name
Fix default virtualenv name

AndyHuu/flocker,mbrukman/flocker,adamtheturtle/flocker,AndyHuu/flocker,adamtheturtle/flocker,w4ngyi/flocker,wallnerryan/flocker-profiles,moypray/flocker,agonzalezro/flocker,mbrukman/flocker,moypray/flocker,moypray/flocker,AndyHuu/flocker,w4ngyi/flocker,adamtheturtle/flocker,hackday-profilers/flocker,agonzalezro/flocker,w4ngyi/flocker,wallnerryan/flocker-profiles,wallnerryan/flocker-profiles,agonzalezro/flocker,hackday-profilers/flocker,hackday-profilers/flocker,mbrukman/flocker