Merge branch...

Merge branch '42-remove-the-constraint-validation-for-the-question-orders-in-the-question-phase-relation-import' into 'master'

Removed size validator for questionOrders in PhaseRelationImportDTO.

Closes #42

See merge request !41

src/main/java/cz/muni/ics/kypo/training/adaptive/dto/imports/phases/questionnaire/QuestionPhaseRelationImportDTO.java

@@ -28,8 +28,7 @@ public class QuestionPhaseRelationImportDTO {
     @Max(value = 100, message = "{questionnairePhaseRelation.successRate.Max.message}")
     private int successRate;
     @ApiModelProperty(value = "Set of IDs of questions related to the specified questionnaire", position = 3)
-    @NotNull(message = "{questionnairePhaseRelation.questionIds.NotNull.message}")
-    @Size(min = 1, message = "{questionnairePhaseRelation.questionIds.Size.message}")
+    @NotNull(message = "{questionnairePhaseRelation.questionOrders.NotNull.message}")
     private Set<Integer> questionOrders;
 
     public Integer getOrder() {