http://brettterpstra.com/2016/09/29/a-better-hyper-key-hack-for-sierra/ https://github.com/tekezo/Karabiner-Elements#how-to-build https://github.com/lodestone/hyper-hacks/wiki https://github.com/lodestone/hyper-hacks
https://christopher.su/2013/fixing-gmail-archive-delete-key-apple-mail-mavericks/