WIP: acm grpc

.../caosdb/server/accessControl/SinglePermissionSubject.java

...ain/java/org/caosdb/server/accessControl/UserSources.java

...aosdb/server/grpc/AccessControlManagementServiceImpl.java

src/main/java/org/caosdb/server/grpc/AuthInterceptor.java

.../org/caosdb/server/grpc/EntityTransactionServiceImpl.java

...a/org/caosdb/server/grpc/FileTransmissionServiceImpl.java

...n/java/org/caosdb/server/grpc/GeneralInfoServiceImpl.java

src/main/java/org/caosdb/server/jobs/Job.java

...ava/org/caosdb/server/jobs/core/CheckDatatypePresent.java

src/main/java/org/caosdb/server/jobs/core/CheckParValid.java

...main/java/org/caosdb/server/jobs/core/CheckPropValid.java

...ain/java/org/caosdb/server/jobs/core/CheckRefidValid.java

.../caosdb/server/resource/AbstractCaosDBServerResource.java

src/main/java/org/caosdb/server/resource/RolesResource.java

...rg/caosdb/server/transaction/RetrieveRoleTransaction.java