LMS-788 Server side implemented with unit tests. GUI improved

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

.../client/application/ui/vocabulary/VocabularyTermGrid.java

...nt/application/ui/vocabulary/VocabularyTermValidator.java

...client/web/client/application/ui/widget/SimpleDialog.java

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

...isd/openbis/generic/server/business/bo/IVocabularyBO.java

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

...isd/openbis/generic/server/dataaccess/IVocabularyDAO.java

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

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

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

...ystemsx/cisd/openbis/generic/server/CommonServerTest.java

...penbis/generic/server/business/bo/PropertyTypeBOTest.java

.../openbis/generic/server/business/bo/VocabularyBOTest.java

...enbis/generic/server/dataaccess/db/VocabularyDAOTest.java