message: Bintray fix
  Extra `e` removed, and correct bintray link
diff: @@ -79,7 +79,7 @@ jobs:
  if [[ ( ${TRAVIS_BRANCH} == "master" ) && ( ${TRAVIS_EVENT_TYPE} != "pull_request" ) ]]; then
  twine upload wheelhouse/tensorflow_io_nightly-*.whl
  for entry in wheelhouse/tensorflow_io-*.whl ; do
  - curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/teensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  + curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/tensorflow-io-nightly/tensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  done
  fi
  - stage: release
  @@ -92,7 +92,7 @@ jobs:
  if [[ ( ${TRAVIS_BRANCH} == "master" ) && ( ${TRAVIS_EVENT_TYPE} != "pull_request" ) ]]; then
  twine upload wheelhouse/tensorflow_io_nightly-*.whl
  for entry in wheelhouse/tensorflow_io-*.whl ; do
  - curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/teensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  + curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/tensorflow-io-nightly/tensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  done
  fi
  - stage: release
  @@ -107,7 +107,7 @@ jobs:
  if [[ ( ${TRAVIS_BRANCH} == "master" ) && ( ${TRAVIS_EVENT_TYPE} != "pull_request" ) ]]; then
  twine upload wheelhouse/tensorflow_io_nightly-*.whl
  for entry in wheelhouse/tensorflow_io-*.whl ; do
  - curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/teensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  + curl -T $entry -utensorflow-io-nightly:$BINTRAY_API https://api.bintray.com/content/tensorflow-io-nightly/tensorflow-io-nightly/tensorflow-io-release/${TRAVIS_BUILD_NUMBER}/$entry
  done
  fi
  