Release v0.6.0

Fix licenses

Allow setting OSS User and Password

Release v0.5.0

Update README.md

Update Gradle Wrapper to v5.6

Fix 'no value has been specified for this provider'

Git-tags-based version number

Statically compile PublishInfo

Add helper methods

Static compilation

Improve FunctionalTest

Add Bintray Plugin Dependency

Travis build only on OpenJDK

Travis: test on openjdk and oraclejdk 8 and 11