Resolve "Create DTOs for missing domain classes"

.../cz/muni/ics/kypo/training/adaptive/dto/AuditInfoDTO.java

...uni/ics/kypo/training/adaptive/dto/BasicPhaseInfoDTO.java

...ni/ics/kypo/training/adaptive/dto/IsCorrectAnswerDTO.java

...va/cz/muni/ics/kypo/training/adaptive/dto/UserRefDTO.java

.../adaptive/dto/archive/phases/AbstractPhaseArchiveDTO.java

...adaptive/dto/archive/phases/info/InfoPhaseArchiveDTO.java

.../dto/archive/phases/questionnaire/QuestionArchiveDTO.java

...rchive/phases/questionnaire/QuestionChoiceArchiveDTO.java

...phases/questionnaire/QuestionPhaseRelationArchiveDTO.java

...ve/phases/questionnaire/QuestionnairePhaseArchiveDTO.java

.../archive/phases/training/DecisionMatrixRowArchiveDTO.java

.../adaptive/dto/archive/phases/training/TaskArchiveDTO.java

.../dto/archive/phases/training/TrainingPhaseArchiveDTO.java

...ve/dto/archive/training/TrainingDefinitionArchiveDTO.java

...tive/dto/archive/training/TrainingInstanceArchiveDTO.java

.../adaptive/dto/archive/training/TrainingRunArchiveDTO.java

...adaptive/dto/converters/LocalDateTimeUTCDeserializer.java

...g/adaptive/dto/converters/LocalDateTimeUTCSerializer.java

...cs/kypo/training/adaptive/dto/export/FileToReturnDTO.java

...s/kypo/training/adaptive/dto/export/UserRefExportDTO.java