utils/ruby.sh: try installing portable Ruby ...
utils/ruby.sh: try installing portable Ruby ...

when no usable Ruby is found.

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