Update Installation.md
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Homebrew/brew,JCount/brew,MikeMcQuaid/brew,JCount/brew,nandub/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,JCount/brew,MikeMcQuaid/brew,nandub/brew,JCount/brew,Homebrew/brew,nandub/brew,Homebrew/brew,Homebrew/brew,nandub/brew