Bug 863169 - Add GitHub Pages to PSL. r=gerv.
Bug 863169 - Add GitHub Pages to PSL. r=gerv.

paulproteus/list,SimonKissel/list,dead10ck/list,elnappo/list,dkg/publicsuffix-list,plinehan/list,SimonKissel/list,sleevi/list,Drooids/list,rockdaboot/list,Drooids/list,plinehan/list,plinehan/list,rockdaboot/list,sleevi/list,dkg/publicsuffix-list,publicsuffix/list,elnappo/list,SimonKissel/list,pantheon-systems/list,rockdaboot/list,publicsuffix/list,publicsuffix/list,elnappo/list,paulproteus/list,dead10ck/list,sleevi/list,publicsuffix/list,pantheon-systems/list,rockdaboot/list,sleevi/list