updating travis and appveyor elm-format dep
updating travis and appveyor elm-format dep

Glavin001/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,Glavin001/atom-beautify,dvingo/atom-beautify,janmolnar/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,dvingo/atom-beautify,janmolnar/atom-beautify,Glavin001/atom-beautify,janmolnar/atom-beautify,dvingo/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,Glavin001/atom-beautify,janmolnar/atom-beautify,dvingo/atom-beautify,prettydiff/atom-beautify,janmolnar/atom-beautify,janmolnar/atom-beautify,prettydiff/atom-beautify,dvingo/atom-beautify