Fixing memory leaks: expression objects will now register UpdateListeners on their XQueryContext, not directly on NotificationService. This way, we can be sure to clear all UpdateListeners at once after the query completed.
Fixing memory leaks: expression objects will now register UpdateListeners on their XQueryContext, not directly on NotificationService. This way, we can be sure to clear all UpdateListeners at once after the query completed.

svn path=/trunk/eXist-1.0/; revision=2867

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