Cleanup pom

[hussainnm]

The following changes are made in this PR:

[parent]

• Remove ee4j parent
• Change groupId from org.eclipse.ee4j.ejb-api to jakarta.ejb
• Change artifactId from ejb-api-parent to jakarta.ejb-parent
• Create zip archive with apidocs and specification documents

[api]

• Change hard-coded values to properties
• Update plugin versions to latest release
• Update project information, add mailing list
• Replace findbugs with spotbugs maven plugin
• Fix "mvn site"
• Configure spotbugs and javadoc reports
• Set minimum maven version to 3.5.4 (minimum required for spec-version-maven-plugin)
• Move javadoc configuration to plugin management (shared by build and reporting)

[spec]

• Remove ejb-api-parent
• Change groupId from org.eclipse.ee4j.ejb-api to jakarta.ejb
• Change artifactId from enterprise-beans-spec to jakarta.ejb-spec
• Add project information, organization, scm, issueManagement, mailingList and licenses
• Update plugin versions to latest release
• Set minimum maven version to 3.0.5
• Add maven-release-plugin to prepare project for final release
• Fix errors and warning during build
  • Table in core/RuntimeEnvironment.adoc
  • Broken reference in opt/EJB2.1EntityBeanComponentContractForBeanManagedPersistence.adoc
  • Change bnf to source in opt/EJBQL-EJB2.1QueryLanguageForContainerManagedPersistenceQueryMethods.adoc
  • Broken footnote in opt/SupportForTransactions.adoc

[hussainnm]

Updated asciidoctor-maven-plugin to 2.0.0 from 2.0.0-RC.1

[hussainnm]

@dblevins Can you please review and let me know your feedback on this PR.

[hussainnm]

Upgrading to asciidoctor-maven-plugin 2.0.0 is breaking the HTML document where footnote contains a bibliography reference This is rendered correctly in PDF since asciidoctorj-pdf depends on asciidoctor 1.5.8.

Actual

Expected