do away with DFS since compute_dep already does it
do away with DFS since compute_dep already does it


claui/brew,EricFromCanada/brew,EricFromCanada/brew,vitorgalvao/brew,sjackman/homebrew,reitermarkus/brew,vitorgalvao/brew,JCount/brew,mahori/brew,reitermarkus/brew,Homebrew/brew,Homebrew/brew,mahori/brew,nandub/brew,Homebrew/brew,nandub/brew,reitermarkus/brew,konqui/brew,sjackman/homebrew,JCount/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,mahori/brew,nandub/brew,sjackman/homebrew,reitermarkus/brew,EricFromCanada/brew,claui/brew,konqui/brew,sjackman/homebrew,mahori/brew,MikeMcQuaid/brew,vitorgalvao/brew,JCount/brew,JCount/brew,konqui/brew,Homebrew/brew,claui/brew,konqui/brew,claui/brew,vitorgalvao/brew,EricFromCanada/brew,MikeMcQuaid/brew,nandub/brew