LMS-1915 server side for loading microscopy images

...sx/cisd/openbis/dss/etl/HCSImageDatasetLoaderFactory.java

.../systemsx/cisd/openbis/dss/etl/IImagingDatasetLoader.java

...cisd/openbis/dss/etl/dataaccess/ImagingDatasetLoader.java

...bis/dss/generic/server/AbstractImagesDownloadServlet.java

...nbis/dss/generic/server/MergingImagesDownloadServlet.java

...dss/generic/server/images/ImageChannelStackReference.java

...openbis/dss/generic/server/images/ImageChannelsUtils.java

.../openbis/dss/screening/server/DssServiceRpcScreening.java

.../screening/client/web/client/IScreeningClientService.java

...ening/client/web/client/IScreeningClientServiceAsync.java

...n/screening/client/web/server/ScreeningClientService.java

...cisd/openbis/plugin/screening/server/ScreeningServer.java

...bis/plugin/screening/server/logic/PlateContentLoader.java

...isd/openbis/plugin/screening/shared/IScreeningServer.java

...ugin/screening/shared/basic/dto/PlateImageParameters.java

...gin/screening/shared/basic/dto/WellImageChannelStack.java

...bis/plugin/screening/shared/imaging/HCSDatasetLoader.java

...is/plugin/screening/shared/imaging/IHCSDatasetLoader.java

...ing/dataaccess/AbstractImageTransformerFactoryHolder.java

...g/shared/imaging/dataaccess/IImagingReadonlyQueryDAO.java