Avoid associativity-dependent use of `<|`
Avoid associativity-dependent use of `<|`

I'm pushing for a switch of the associativity of `<|` in elm 0.18
(it's more useful in avoiding parenthesis if it associates to the left).

aforemny/elm-mdc,hakonrossebo/elm-mdl,vipentti/elm-mdl,hakonrossebo/elm-mdl,vipentti/elm-mdl