[bugfix] Package manager: uninstalling a package with empty target collection caused entire db to be deleted. Refuse to deploy if target is empty.
[bugfix] Package manager: uninstalling a package with empty target collection caused entire db to be deleted. Refuse to deploy if target is empty.

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