[refactor] Consistent use of constants for property names
[refactor] Consistent use of constants for property names

hungerburg/exist,olvidalo/exist,dizzzz/exist,RemiKoutcherawy/exist,wolfgangmm/exist,eXist-db/exist,joewiz/exist,olvidalo/exist,wshager/exist,RemiKoutcherawy/exist,ambs/exist,lcahlander/exist,wolfgangmm/exist,lcahlander/exist,ljo/exist,wshager/exist,eXist-db/exist,wolfgangmm/exist,dizzzz/exist,dizzzz/exist,ambs/exist,joewiz/exist,hungerburg/exist,eXist-db/exist,opax/exist,ljo/exist,windauer/exist,ljo/exist,wolfgangmm/exist,wolfgangmm/exist,ambs/exist,hungerburg/exist,windauer/exist,adamretter/exist,opax/exist,RemiKoutcherawy/exist,ambs/exist,eXist-db/exist,eXist-db/exist,wshager/exist,adamretter/exist,hungerburg/exist,ljo/exist,adamretter/exist,adamretter/exist,wshager/exist,wshager/exist,windauer/exist,lcahlander/exist,olvidalo/exist,joewiz/exist,adamretter/exist,windauer/exist,windauer/exist,dizzzz/exist,ljo/exist,opax/exist,RemiKoutcherawy/exist,ambs/exist,joewiz/exist,eXist-db/exist,joewiz/exist,wshager/exist,olvidalo/exist,olvidalo/exist,windauer/exist,wolfgangmm/exist,ljo/exist,RemiKoutcherawy/exist,joewiz/exist,lcahlander/exist,RemiKoutcherawy/exist,dizzzz/exist,dizzzz/exist,lcahlander/exist,lcahlander/exist,opax/exist,adamretter/exist,ambs/exist,hungerburg/exist,opax/exist