group LDAP: implement groupExists function, needed for Sharing
group LDAP: implement groupExists function, needed for Sharing

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