not super secure deploy from travis to aptible

deploy.sh

if [[ $TRAVIS_BRANCH == "master" && $TRAVIS_PULL_REQUEST == "false" ]]; then
  echo "branch will be deployed!"

  echo -e "Host beta.aptible.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config

  chmod 600 .travis/travis_key.pem
  ssh-add .travis/travis_key.pem

  git remote add staging [email protected]:healthify-staging-aptible.git
  git fetch --unshallow
  git config --global push.default simple
  git push staging HEAD:$TRAVIS_BRANCH
else
  echo "Branch: $TRAVIS_BRANCH is not master and not being deployed!"
fi