Publish to Maven Central

[msgilligan]

Publishing to Maven Central requires several other issues be resolved first:

• Refactor all packages to org.consensusj.* #29 - Refactor all packages to org.consensusj.*
• Add 'Automatic-Module-Name' entry to all JAR manifests for JPMS (Java 9+) #38 - Add 'Automatic-Module-Name' entry to all JAR manifests
• Other?