Prepare 1.6.0 release
Prepare 1.6.0 release

seoker/atom-esformatter,demohi/atom-esformatter,demohi/atom-esformatter,TommyM/atom-esformatter,seoker/atom-esformatter,TommyM/atom-esformatter,sindresorhus/atom-esformatter,sindresorhus/atom-esformatter