LMS-768 rename 'etlserver' project to 'datastore_server'

...systemsx/cisd/etlserver/AbstractDataSetInfoExtractor.java

.../ch/systemsx/cisd/etlserver/AbstractStorageProcessor.java

.../java/ch/systemsx/cisd/etlserver/BDSStorageProcessor.java

.../java/ch/systemsx/cisd/etlserver/BaseDirectoryHolder.java

...rce/java/ch/systemsx/cisd/etlserver/ChannelSetHelper.java

...e/java/ch/systemsx/cisd/etlserver/DataSetInformation.java

.../systemsx/cisd/etlserver/DataSetNameEntitiesProvider.java

...java/ch/systemsx/cisd/etlserver/DataStoreStrategyKey.java

...ce/java/ch/systemsx/cisd/etlserver/DataStrategyStore.java

.../systemsx/cisd/etlserver/DefaultDataSetInfoExtractor.java

...a/ch/systemsx/cisd/etlserver/DefaultStorageProcessor.java

...urce/java/ch/systemsx/cisd/etlserver/ETLServerPlugin.java

...a/ch/systemsx/cisd/etlserver/EncapsulatedLimsService.java

...source/java/ch/systemsx/cisd/etlserver/FileBasedFile.java

...java/ch/systemsx/cisd/etlserver/FileBasedFileFactory.java

...r/source/java/ch/systemsx/cisd/etlserver/FileRenamer.java

...ce/java/ch/systemsx/cisd/etlserver/HCSImageCheckList.java

...systemsx/cisd/etlserver/HCSImageFileExtractionResult.java

...ava/ch/systemsx/cisd/etlserver/IDataSetInfoExtractor.java

...e/java/ch/systemsx/cisd/etlserver/IDataStoreStrategy.java