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

...d/implementation/MySQL/MySQLInsertTransactionHistory.java

...database/backend/implementation/MySQL/MySQLIsSubType.java

...database/backend/implementation/MySQL/MySQLListUsers.java

...abase/backend/implementation/MySQL/MySQLLogUserVisit.java

...tabase/backend/implementation/MySQL/MySQLRetrieveAll.java

...ckend/implementation/MySQL/MySQLRetrieveCurrentMaxId.java

.../backend/implementation/MySQL/MySQLRetrieveDatatypes.java

.../backend/implementation/MySQL/MySQLRetrieveEntityACL.java

.../backend/implementation/MySQL/MySQLRetrieveLogRecord.java

...se/backend/implementation/MySQL/MySQLRetrieveParents.java

.../implementation/MySQL/MySQLRetrievePasswordValidator.java

...backend/implementation/MySQL/MySQLRetrieveProperties.java

...mentation/MySQL/MySQLRetrieveQueryTemplateDefinition.java

...ckend/implementation/MySQL/MySQLRetrieveSparseEntity.java

...abase/backend/implementation/MySQL/MySQLRetrieveUser.java

...end/implementation/MySQL/MySQLRetrieveVersionHistory.java

...nd/implementation/MySQL/MySQLSetFileCheckedTimestamp.java

...se/backend/implementation/MySQL/MySQLSetFileChecksum.java

...implementation/MySQL/MySQLSetQueryTemplateDefinition.java

...backend/implementation/MySQL/MySQLUpdateSparseEntity.java