Add ssh key to travis

.travis.yml

@@ -22,4 +22,9 @@ install:
   - if [ "$ANSIBLE_VERSION" = "latest" ]; then pip install ansible-lint; fi
 
 script:
+  - eval "$(ssh-agent -s)" #start the ssh agent
+  - openssl aes-256-cbc -K $encrypted_ac3b881c48a4_key -iv $encrypted_ac3b881c48a4_iv -in deploy-user.enc -out deploy-user -d
+  - chmod 600 deploy-user # this key should have push access
+  - ssh-add deploy-user
+  - export ANSIBLE_HOST_KEY_CHECKING=False
   - ansible-playbook -i ansible/inventory ansible/playbooks/kanthaus-online/deploy.playbook.yml -v