Introduce the ability to determine available versions of a module

[brianoliver]

As a developer I'd like the ability to determine the versions of a module that exist, say in a Maven repository.

eg: What versions of Coherence match 12.1.*

[brianoliver]

The following article demonstrates how with Aether (which is used by Bedrock):

https://github.com/eclipse/aether-demo/blob/master/aether-demo-snippets/src/main/java/org/eclipse/aether/examples/FindAvailableVersions.java