DOC-2588: Update version doc style to match with platform 4 versions : 4.0.0-Alpha1-SNAPSHOT
PAR-226 : Configure in parent-pom surefire JVM properties to not create tests files out of target dir
Use a system property (org.exoplatform.depmgt.version) for the maven-depmgt-pom version
Upgrade maven-parent-pom -> 9-beta-1
Upgrade maven-depmgt-pom -> 2