Improved: no functional change, update /lib/README to use Maven search
@@ -3,4 +3,4 @@ Place your custom jar files in here.
If you want to use a public open source library, it is recommended
that you do not place the library in here. Instead declare it as a
dependency in your build scripts (build.gradle files) by finding the
-appropriate library in jcenter (https://bintray.com/bintray/jcenter)
+appropriate library in Maven (https://search.maven.org/)
