ssdm-13365: moved file-transfer to another repo

...ava/ch/ethz/sis/filetransfer/FileSystemDownloadStore.java

...rce/java/ch/ethz/sis/filetransfer/IChunkDeserializer.java

.../source/java/ch/ethz/sis/filetransfer/IChunkProvider.java

...fer/source/java/ch/ethz/sis/filetransfer/IChunkQueue.java

...ource/java/ch/ethz/sis/filetransfer/IChunkSerializer.java

...e/java/ch/ethz/sis/filetransfer/IConcurrencyProvider.java

.../java/ch/ethz/sis/filetransfer/IDeserializerProvider.java

...h/ethz/sis/filetransfer/IDeserializerProviderFactory.java

...source/java/ch/ethz/sis/filetransfer/IDownloadItemId.java

...ch/ethz/sis/filetransfer/IDownloadItemIdDeserializer.java

...a/ch/ethz/sis/filetransfer/IDownloadItemIdSerializer.java

...urce/java/ch/ethz/sis/filetransfer/IDownloadListener.java

...source/java/ch/ethz/sis/filetransfer/IDownloadServer.java

.../source/java/ch/ethz/sis/filetransfer/IDownloadStore.java

.../java/ch/ethz/sis/filetransfer/IDownloadStoreFactory.java

...ransfer/source/java/ch/ethz/sis/filetransfer/ILogger.java

...er/source/java/ch/ethz/sis/filetransfer/IRetryAction.java

.../source/java/ch/ethz/sis/filetransfer/IRetryProvider.java

.../java/ch/ethz/sis/filetransfer/IRetryProviderFactory.java

...ce/java/ch/ethz/sis/filetransfer/ISerializerProvider.java