[feat] fixed bugs in surveymapper

...c/main/java/unipotsdam/gf/config/GFApplicationBinder.java

...hen/src/main/java/unipotsdam/gf/config/GroupAlConfig.java

...dam/gf/modules/group/preferences/database/ProfileDAO.java

.../gf/modules/group/preferences/groupal/GroupAlMatcher.java

.../modules/group/preferences/groupal/JacksonPojoToJson.java

.../modules/group/preferences/groupal/request/Criterion.java

...dules/group/preferences/groupal/request/Participants.java

...group/preferences/groupal/request/ParticipantsHolder.java

...dules/group/preferences/groupal/request/UsedCriteria.java

...ules/group/preferences/groupal/request/UsedCriterion.java

...m/gf/modules/group/preferences/groupal/request/Value.java

.../modules/group/preferences/groupal/response/Criteria.java

...gf/modules/group/preferences/groupal/response/Groups.java

...ules/group/preferences/groupal/response/Participants.java

...es/group/preferences/groupal/response/ResponseHolder.java

...f/modules/group/preferences/groupal/response/Results.java

...gf/modules/group/preferences/groupal/responseexample.json

gemeinsamforschen/src/main/webapp/survey/js/enter-gfm.js

...rc/test/java/unipotsdam/gf/modules/group/GroupAlTest.java

...test/java/unipotsdam/gf/modules/group/SurveyDataTest.java