Merge branch 'f-filesystem-cleanup' into f-filesystem-core

...atabase/backend/implementation/MySQL/MySQLUpdateUser.java

...er/database/backend/implementation/MySQL/Replacement.java

...tabase/backend/interfaces/InsertEntityPropertiesImpl.java

...database/backend/interfaces/RetrieveCurrentMaxIdImpl.java

...er/database/backend/interfaces/RetrieveDatatypesImpl.java

...er/database/backend/interfaces/RetrieveEntityACLImpl.java

...rver/database/backend/interfaces/RetrieveParentsImpl.java

...r/database/backend/interfaces/RetrievePropertiesImpl.java

.../database/backend/transaction/InsertEntityProperties.java

...database/backend/transaction/InsertEntityTransaction.java

.../server/database/backend/transaction/InsertLogRecord.java

...erver/database/backend/transaction/RegisterSubDomain.java

...er/database/backend/transaction/RetrieveCurrentMaxId.java

...erver/database/backend/transaction/RetrieveDatatypes.java

...ase/backend/transaction/RetrieveEntityACLTransaction.java

...se/backend/transaction/RetrieveFullEntityTransaction.java

.../server/database/backend/transaction/RetrieveParents.java

...rver/database/backend/transaction/RetrieveProperties.java

...er/database/backend/transaction/RetrieveSparseEntity.java

...org/caosdb/server/database/misc/TransactionBenchmark.java