Migrate to new ESRP Artifact Publishing Format

Early details:

```
For example, a project with:
o Namespace: com.sonatype.central.example
o Component: example_java_project
o Version: 0.1.0
• Would have the below folder structure in the zip file.
`-- com
`-- sonatype
`-- central
`-- example
`-- example_java_project
`-- 0.1.0
|-- example_java_project-0.1.0-javadoc.jar
|-- example_java_project-0.1.0-javadoc.jar.asc
|-- example_java_project-0.1.0-javadoc.jar.md5
|-- example_java_project-0.1.0-javadoc.jar.sha1
|-- example_java_project-0.1.0-sources.jar
|-- example_java_project-0.1.0-sources.jar.asc
|-- example_java_project-0.1.0-sources.jar.md5
|-- example_java_project-0.1.0-sources.jar.sha1
|-- example_java_project-0.1.0.jar
|-- example_java_project-0.1.0.jar.asc
|-- example_java_project-0.1.0.jar.md5
|-- example_java_project-0.1.0.jar.sha1
|-- example_java_project-0.1.0.pom
|-- example_java_project-0.1.0.pom.asc
|-- example_java_project-0.1.0.pom.md5
`-- example_java_project-0.1.0.pom.sha1

```