Use faster container based travis builds, remove whiteout build email notification from travis
Use faster container based travis builds, remove whiteout build email notification from travis

whiteout-io/mail-html5,whiteout-io/mail,tanx/hoodiecrow,tanx/hoodiecrow,whiteout-io/mail-html5,whiteout-io/mail,dopry/mail-html5,whiteout-io/mail,dopry/mail-html5,whiteout-io/mail-html5,whiteout-io/mail,dopry/mail-html5,tanx/hoodiecrow,whiteout-io/mail-html5,dopry/mail-html5