Update README.markdown
Update README.markdown

Fix oversight from move to script/install instead of rake install

Dextro/dotfiles,Dextro/dotfiles,WideEyeLabs/dotfiles,werme/dotfiles,jegtnes/dotfiles,constantx/dotfiles,polymetis/dotfiles,azalea/dotfiles,constantx/dotfiles,polymetis/dotfiles,constantx/dotfiles,constantx/dotfiles,azalea/dotfiles,WideEyeLabs/dotfiles,polymetis/dotfiles,jegtnes/dotfiles,WideEyeLabs/dotfiles,werme/dotfiles,constantx/dotfiles,WideEyeLabs/dotfiles