Update elm-format for Travis CI
Update elm-format for Travis CI

Glavin001/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify