chore(travis): enable email notifications for broken builds
chore(travis): enable email notifications for broken builds

golddranks/hyper,Twey/hyper,nickgonzales/hyper,yazaddaruvala/hyper,tshepang/hyper,golddranks/hyper,tshepang/hyper,nickgonzales/hyper,nickgonzales/hyper,hyperium/hyper,golddranks/hyper,Twey/hyper,Twey/hyper,hyperium/hyper,hyperium/hyper,yazaddaruvala/hyper,tshepang/hyper