Add 0.16 link, add "let's be mainstream" talk link
Add 0.16 link, add "let's be mainstream" talk link

FranklinChen/elm-lang.org,FranklinChen/elm-lang.org,frankschmitt/elm-lang.org,amitaibu/elm-lang.org,frankschmitt/elm-lang.org,amitaibu/elm-lang.org,jvoigtlaender/elm-lang.org,jvoigtlaender/elm-lang.org