[LMS-1574] introduced subcode uniqueness check

...d/openbis/generic/client/web/client/application/Dict.java

...tion/ui/columns/specific/sample/SampleTypeColDefKind.java

...ient/web/client/application/ui/sample/SampleTypeGrid.java

...ch/systemsx/cisd/openbis/generic/server/CommonServer.java

...cisd/openbis/generic/server/business/bo/EntityTypeBO.java

...s/generic/server/dataaccess/db/DatabaseVersionHolder.java

...msx/cisd/openbis/generic/shared/basic/dto/SampleType.java

...systemsx/cisd/openbis/generic/shared/dto/ColumnNames.java

...ystemsx/cisd/openbis/generic/shared/dto/SampleTypePE.java

...enbis/generic/shared/translator/SampleTypeTranslator.java

...java/ch/systemsx/cisd/openbis/public/common-dictionary.js

openbis/source/sql/generic/053/data-053.sql

openbis/source/sql/generic/053/schema-053.sql

openbis/source/sql/postgresql/053/domains-053.sql

openbis/source/sql/postgresql/053/function-053.sql

openbis/source/sql/postgresql/053/grants-053.sql

...bis/source/sql/postgresql/migration/migration-052-053.sql

.../systemsx/cisd/openbis/generic/server/ETLServiceTest.java

...d/openbis/generic/server/dataaccess/db/SampleDAOTest.java

...systemsx/cisd/openbis/generic/shared/CommonTestUtils.java