revert to ruby 1.9
revert to ruby 1.9

LeanLaunchLab/LeanLaunchLab,LeanLaunchLab/LeanLaunchLab,Mackaber/LeanLaunchLab,Mackaber/LeanLaunchLab,BullisEntrepreneurship/LeanLaunchLab,BullisEntrepreneurship/LeanLaunchLab,LeanLaunchLab/LeanLaunchLab,Mackaber/LeanLaunchLab,BullisEntrepreneurship/LeanLaunchLab,LeanLaunchLab/LeanLaunchLab,Mackaber/LeanLaunchLab,BullisEntrepreneurship/LeanLaunchLab