0.13.1 - ES6 import

• Support export default ES6 style component exports.
• Show JS error message in python exception when not in debug mode.
• Updated some dependencies
  • body-parser 1.14.1 > 1.15.2
  • express 4.13.3 > 4.14.0
  • morgan 1.6.1 > 1.7.0
• Updated example and tests to use babel 6.

NOTE: Only JS changed in this release