Add npm cache clean to travis.yaml
Use Xvfb for testting
Use npm@2 in travis
Update header to have report an issue link and bring out edit/preview switch link
Update swagger-tools
Update package versions
Update tests to fail only for error in browser console
Typo
Only show master travis badge
Merge branch 'master' of https://github.com/wordnik/swagger-editor
Temporarily disabling Swagger-Tools validation due to lack of $ref support