- Upsteam update to 1.4.0 which fixed:
      - Bug 1215274 - specify minimum percentage completion on pull
      - Rename zanatalib/project.py to zanatalib/projectutils.py
      - Bug 1156236 - use locale aliases defined in the server
      - added ProjectContext, Improved help, fixed code issues
      - added <src-dir> and <trans-dir> in zanata.xml
      - refactor code - added config to centralize rest resources
      - Organize exception messages, added test.
      - HTTP to HTTPS redirect - auto, if found in httplib2 response
      - Rename zanatalib/client.py to zanatalib/resource.py
      - flake8 changes and addition of: make flake8
      - added requirements.txt