Merge pull request #739 from swagger-api/develop

Standardized default value across both spec versions
Merge pull request #740 from swagger-api/develop

added  for 2.0 specs to support multi-select inputs
updated swagger-js per https://github.com/swagger-api/swagger-js/issues/167
updated versions
updated swagger.js
Update README.md
updated swagger-js per #715
Merge branch 'master' of github.com:swagger-api/swagger-ui
fix for 717