LMS-2526 Sanofi: new merging channel algorithm

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

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

...msx/cisd/openbis/dss/etl/dataaccess/IImagingQueryDAO.java

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

.../ch/systemsx/cisd/openbis/dss/etl/dto/api/v1/Channel.java

...ystemsx/cisd/openbis/dss/etl/dto/api/v1/ChannelColor.java

...emsx/cisd/openbis/dss/etl/dto/api/v1/ChannelColorRGB.java

...isd/openbis/dss/etl/dto/api/v1/SimpleImageDataConfig.java

...neric/server/images/ColorComponentImageChannelMerger.java

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

...enbis/plugin/screening/shared/basic/dto/ImageChannel.java

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

...in/screening/shared/imaging/dataaccess/ImgChannelDTO.java

screening/source/sql/imaging/postgresql/015/schema-015.sql

...ce/sql/imaging/postgresql/migration/migration-014-015.sql

screening/sourceTest/java/BiozentrumMatLabApiTest.java

...emsx/cisd/openbis/dss/etl/ImagingChannelsCreatorTest.java

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

...bis/dss/generic/server/images/ImageChannelsUtilsTest.java

...nbis/dss/screening/server/DssServiceRpcScreeningTest.java