Switch to version 9.0.0.Alpha2-SNAPSHOT
Separate out the feature pack portion of the build into it's own project.
Add the ability to create a build containing Elytron.

Note: A build references Maven artefacts instead of containing them and also does not contain the schemas.
Add the dist variation of the assembled server, dist includes schemas and jars so is suitable to be used elsewhere.
Remove the SNAPSHOT dependency on the new build tools for assembling the feature-pack, build, and distribution.

Resolves #1
Removal of assitional unused files.