DRAFT: backend-jvstm-common remove commented code in jvstmcodegenerator
DRAFT: backend-jvstm-mem remove deleted code that no longer overrides
DRAFT: make backend-jvstm-ispn extend from jvstm-common
DRAFT: backend-jvstm-common tx+oids+domainclassinfo
DRAFT: backend-jvstm-common replace Error by RuntimeException in withTxNoException
Add tests-backend-jvstm-common