Always remove empty entries from the index.
Always remove empty entries from the index.

svn path=/trunk/eXist/; revision=6425

jessealama/exist,ljo/exist,eXist-db/exist,zwobit/exist,kohsah/exist,jessealama/exist,opax/exist,zwobit/exist,olvidalo/exist,lcahlander/exist,windauer/exist,windauer/exist,eXist-db/exist,patczar/exist,opax/exist,patczar/exist,jessealama/exist,shabanovd/exist,shabanovd/exist,ambs/exist,opax/exist,zwobit/exist,patczar/exist,MjAbuz/exist,eXist-db/exist,shabanovd/exist,dizzzz/exist,kohsah/exist,wshager/exist,lcahlander/exist,lcahlander/exist,lcahlander/exist,ambs/exist,ambs/exist,MjAbuz/exist,zwobit/exist,ljo/exist,shabanovd/exist,wshager/exist,opax/exist,eXist-db/exist,ambs/exist,jensopetersen/exist,MjAbuz/exist,olvidalo/exist,hungerburg/exist,jensopetersen/exist,kohsah/exist,joewiz/exist,wshager/exist,hungerburg/exist,opax/exist,RemiKoutcherawy/exist,hungerburg/exist,joewiz/exist,shabanovd/exist,olvidalo/exist,windauer/exist,wshager/exist,windauer/exist,ambs/exist,windauer/exist,dizzzz/exist,ambs/exist,wolfgangmm/exist,hungerburg/exist,kohsah/exist,jensopetersen/exist,dizzzz/exist,dizzzz/exist,RemiKoutcherawy/exist,MjAbuz/exist,joewiz/exist,kohsah/exist,joewiz/exist,zwobit/exist,lcahlander/exist,patczar/exist,joewiz/exist,lcahlander/exist,RemiKoutcherawy/exist,jensopetersen/exist,jessealama/exist,olvidalo/exist,MjAbuz/exist,hungerburg/exist,adamretter/exist,adamretter/exist,ljo/exist,patczar/exist,adamretter/exist,shabanovd/exist,RemiKoutcherawy/exist,dizzzz/exist,patczar/exist,olvidalo/exist,wolfgangmm/exist,kohsah/exist,wshager/exist,dizzzz/exist,wolfgangmm/exist,eXist-db/exist,jensopetersen/exist,joewiz/exist,eXist-db/exist,jessealama/exist,RemiKoutcherawy/exist,ljo/exist,wolfgangmm/exist,RemiKoutcherawy/exist,adamretter/exist,jessealama/exist,wolfgangmm/exist,jensopetersen/exist,ljo/exist,ljo/exist,adamretter/exist,windauer/exist,MjAbuz/exist,zwobit/exist,wolfgangmm/exist,wshager/exist,adamretter/exist