Implemented undelete for contacts.
Implemented undelete for contacts.

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