subproject : added subprojectId in SOA node ID (SoaNodeId)
still TODO :
* change subprojectId from ecm:uuid to ecm:path + versionLabel if version, so it can work with tree snapshots
* test & make work : source disco, AXXX remote init, (document &) webengine UI (indicators, doc(, matchingDashboard))
* Specifications tree snapshotting by the end user, OPT the whole Specifications approval workflow
* OPT Specifications updateToVersion
* LATER handling move / copy across subprojects, cleanup,