remove go 1.3 from travis ci
remove go 1.3 from travis ci

gotk3/gotk3,yamnikov-oleg/gotk3,pekim/gotk3,yamnikov-oleg/gotk3,andre-hub/gotk3,andre-hub/gotk3,pekim/gotk3,yamnikov-oleg/gotk3,pekim/gotk3,gotk3/gotk3,andre-hub/gotk3