improved move operation for sabre's objecttree
improved move operation for sabre's objecttree

xx621998xx/server,xx621998xx/server,owncloud/core,owncloud/core,Ardinis/server,lrytz/core,whitekiba/server,IljaN/core,sharidas/core,whitekiba/server,michaelletzgus/nextcloud-server,xx621998xx/server,michaelletzgus/nextcloud-server,lrytz/core,jbicha/server,sharidas/core,IljaN/core,sharidas/core,cernbox/core,pollopolea/core,bluelml/core,jbicha/server,pixelipo/server,bluelml/core,Ardinis/server,nextcloud/server,lrytz/core,sharidas/core,jbicha/server,xx621998xx/server,pollopolea/core,nextcloud/server,andreas-p/nextcloud-server,pollopolea/core,andreas-p/nextcloud-server,bluelml/core,pollopolea/core,IljaN/core,xx621998xx/server,Ardinis/server,endsguy/server,andreas-p/nextcloud-server,pollopolea/core,nextcloud/server,lrytz/core,cernbox/core,whitekiba/server,nextcloud/server,cernbox/core,pmattern/server,sharidas/core,whitekiba/server,pixelipo/server,whitekiba/server,pmattern/server,michaelletzgus/nextcloud-server,Ardinis/server,pixelipo/server,endsguy/server,michaelletzgus/nextcloud-server,endsguy/server,pmattern/server,endsguy/server,IljaN/core,Ardinis/server,lrytz/core,jbicha/server,pmattern/server,bluelml/core,cernbox/core,owncloud/core,phil-davis/core,andreas-p/nextcloud-server,bluelml/core,pixelipo/server,pixelipo/server,pmattern/server,cernbox/core,owncloud/core,jbicha/server,IljaN/core,owncloud/core,endsguy/server,andreas-p/nextcloud-server