PRIS-112: Update maven asciidoctor plugin

- Change to version property
- Update from version 0.1.4 to 1.5.0
PRIS-112: Update maven asciidoctor plugin

- All dependencies are versionized with property
- Added maven resources plugin version property
- Added maven compiler plugin version property
PRIS-112: update-maven-asciidoctor-plugin

- Changed toc from right to left, to have a similar usage than OpenNMS
PRIS-112: Update maven asciidoctor plugin

- Cleanup removed unused property for doxiaModuleMarkdownVersion
- Cleanup removed unused property for mavenSitePluginVersion
- Order version properties and asciidoctor config
Merge branch 'PRIS-112-update-maven-asciidoctor-plugin' of github.com:indigo423/opennms-provisioning-integration-server into indigo423-PRIS-112-update-maven-asciidoctor-plugin
Merge branch 'indigo423-PRIS-112-update-maven-asciidoctor-plugin' into develop