added custom hostname since i must have mistakenly dropped the alternative secret during recent cleanup

ported from petabox from 2014-06: from http://popcornjs.org/download -- The Popcorn.js core library, plus all official plugins in one complete file

See merge request !1

ported from petabox from 2014-06: from http://popcornjs.org/download -- The Popcorn.js core library, plus all official plugins in one complete file