Version 1.13.0

New functionality

• Add support for format in Responsive breakpoints transformation. (#78)
• Add url_suffix support for private images. (#76)
• Add type parameter to Api.publishResource() (#73)
• Add support for fetch overlay/underlay (#69)
• Add deleteByToken to Uploader.
• Rename deleteDerivedResourcesByTransformations to deleteDerivedByTransformation
• Fix deleteStreamProfile no-options overload.
• Add support for TravisCI tests
• Replace Maven with Gradle as build tool

Other changes

• Parallelize tests.