Update emacs-nightly to 2016-12-18_01-45-40-1a15d14e143ed84d8116c6510f9619d936ea43a1 (#3029)
Update emacs-nightly to 2016-12-18_01-45-40-1a15d14e143ed84d8116c6510f9619d936ea43a1 (#3029)


mahori/homebrew-cask-versions,pkq/homebrew-versions,pkq/homebrew-versions,mahori/homebrew-versions,404NetworkError/homebrew-versions,Ngrd/homebrew-versions,wickedsp1d3r/homebrew-versions,victorpopkov/homebrew-versions,lantrix/homebrew-versions,rogeriopradoj/homebrew-versions,danielbayley/homebrew-versions,yurikoles/homebrew-versions,caskroom/homebrew-versions,victorpopkov/homebrew-versions,hugoboos/homebrew-versions,bey2lah/homebrew-versions,wickedsp1d3r/homebrew-versions,404NetworkError/homebrew-versions,yurikoles/homebrew-versions,lantrix/homebrew-versions,FinalDes/homebrew-versions,danielbayley/homebrew-versions,bey2lah/homebrew-versions,hugoboos/homebrew-versions,rogeriopradoj/homebrew-versions,FinalDes/homebrew-versions,Ngrd/homebrew-versions,caskroom/homebrew-versions