Merge pull request #532 from watson-developer-cloud/pypandoc

fix(travis): Add pypandoc before deploy

Author: ehdsouza

.travis.yml

@@ -21,6 +21,7 @@ before_deploy:
 - pip install -r requirements.txt
 - pip install -r requirements-dev.txt
 - pip install --editable .
+- pip install pypandoc
 deploy:
   - provider: script
     script: docs/publish.sh