update sprockets-rails, fixes #376
update sprockets-rails, fixes #376

wadtech/contribulator,wadtech/contribulator,jasnow/contribulator,24pullrequests/contribulator,jasnow/contribulator,wadtech/contribulator,24pullrequests/contribulator,andrew/contribulator,jasnow/contribulator,andrew/contribulator,24pullrequests/contribulator,andrew/contribulator