add install_vagrant
add install_vagrant

Signed-off-by: Jess Frazelle <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@jessfraz.com>

jfrazelle/dotfiles,drewswanner/dotfiles,jfrazelle/dotfiles,jfrazelle/dotfiles,drewswanner/dotfiles