SSDM-13365: Updated copyright comments in lib-transactional-file-system

...em/src/main/java/ch/ethz/sis/afs/manager/LockManager.java

...src/main/java/ch/ethz/sis/afs/manager/PathLockFinder.java

...n/java/ch/ethz/sis/afs/manager/RecoveredTransactions.java

...e-system/src/main/java/ch/ethz/sis/afs/manager/State.java

...n/java/ch/ethz/sis/afs/manager/TransactionConnection.java

...main/java/ch/ethz/sis/afs/manager/TransactionManager.java

...ethz/sis/afs/manager/operation/CopyOperationExecutor.java

...hz/sis/afs/manager/operation/DeleteOperationExecutor.java

...ethz/sis/afs/manager/operation/ListOperationExecutor.java

...ethz/sis/afs/manager/operation/MoveOperationExecutor.java

.../afs/manager/operation/NonModifyingOperationExecutor.java

.../ch/ethz/sis/afs/manager/operation/OperationExecutor.java

...ethz/sis/afs/manager/operation/ReadOperationExecutor.java

...thz/sis/afs/manager/operation/WriteOperationExecutor.java

...va/ch/ethz/sis/afs/startup/AtomicFileSystemParameter.java

...le-system/src/main/java/ch/ethz/sis/afs/startup/Main.java

...tem/src/main/java/ch/ethz/sis/shared/collection/List.java

...ch/ethz/sis/shared/exception/ExceptionTemplateHolder.java

...h/ethz/sis/shared/exception/RuntimeExceptionTemplate.java

...in/java/ch/ethz/sis/shared/exception/ThrowableReason.java