message: ci: fix travis environment to build es2015 distro
diff: @@ -58,6 +58,11 @@ if [[ ${TRAVIS} ]]; then
  # more info: https://docs.travis-ci.com/user/languages/javascript-with-nodejs#Node.js-v4-(or-io.js-v3)-compiler-requirements
  export CXX=g++-4.8
  + # Build ES2015 distro only in the e2e job (don't need to slow down other jobs)
  + if [ "${CI_MODE}" = "e2e" ]; then
  + export EXPERIMENTAL_ES2015_DISTRO=1
  + fi
  +
  # Used by karma and karma-chrome-launcher
  # In order to have a meaningful SauceLabs badge on the repo page,
  # the angular2-ci account is used only when pushing commits to master;
  