Add gradle-java-distribution reference to readme

readme.md

@@ -4,8 +4,9 @@
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-A set of gradle plugins that facilitate packaging projects for distributions
+A set of Gradle plugins that facilitate packaging projects for distributions
 conforming to the [Service Layout Specification](https://github.com/palantir/sls-spec).
+This project was formerly known as gradle-java-distribution.
 
 The Java Service and Asset plugins cannot both be applied to the same gradle project, and
 distributions from both are produced as a gzipped tar named `[service-name]-[project-version].sls.tgz`.