BIS-185 / Make long-running method calls in IDataStoreService use service conversations

.../cisd/common/serviceconversation/server/ProgressInfo.java

...systemsx/cisd/common/spring/PropertyPlaceholderUtils.java

...msx/cisd/openbis/dss/generic/server/ConfigParameters.java

...emsx/cisd/openbis/dss/generic/server/DataStoreServer.java

...msx/cisd/openbis/dss/generic/server/DataStoreService.java

...sd/openbis/dss/generic/server/DataStoreServiceLogger.java

...penbis/dss/generic/server/EncapsulatedOpenBISService.java

...eneric/server/IServiceConversationClientManagerLocal.java

...eneric/server/IServiceConversationServerManagerLocal.java

.../dss/generic/server/ServiceConversationClientManager.java

.../dss/generic/server/ServiceConversationServerManager.java

.../server/openbisauth/OpenBISAuthenticationInterceptor.java

...emsx/cisd/openbis/dss/generic/shared/ServiceProvider.java

datastore_server/source/java/dssApplicationContext.xml

...nbis/datastoreserver/systemtests/RmiConversationTest.java

...d/openbis/datastoreserver/systemtests/SystemTestCase.java

...cisd/openbis/dss/generic/server/DataStoreServiceTest.java

...x/cisd/common/conversation/RmiConversationController.java

...x/cisd/common/conversation/annotation/Conversational.java

...ystemsx/cisd/common/conversation/annotation/Progress.java