Initial Commit

...java/caosdb/server/transaction/UpdateRoleTransaction.java

...caosdb/server/transaction/UpdateUserRolesTransaction.java

...java/caosdb/server/transaction/UpdateUserTransaction.java

...main/java/caosdb/server/transaction/WriteTransaction.java

src/main/java/caosdb/server/utils/AbstractObservable.java

src/main/java/caosdb/server/utils/AsynchronousHasher.java

src/main/java/caosdb/server/utils/ChecksumUpdater.java

src/main/java/caosdb/server/utils/CronJob.java

src/main/java/caosdb/server/utils/EntityStatus.java

...java/caosdb/server/utils/FileStorageConsistencyCheck.java

src/main/java/caosdb/server/utils/FileUtils.java

src/main/java/caosdb/server/utils/FlagInfo.java

src/main/java/caosdb/server/utils/HashAlgorithm.java

src/main/java/caosdb/server/utils/HashException.java

src/main/java/caosdb/server/utils/HashNotReadyException.java

src/main/java/caosdb/server/utils/HashTimeoutException.java

src/main/java/caosdb/server/utils/Hasher.java

src/main/java/caosdb/server/utils/Info.java

src/main/java/caosdb/server/utils/Initialization.java

src/main/java/caosdb/server/utils/NullPrintStream.java