formula: add runtime_installed_formula_dependents method.
formula: add runtime_installed_formula_dependents method.

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