Clean-up in OC_Filestorage_Shared and bug fixes for calculating folder sizes
Clean-up in OC_Filestorage_Shared and bug fixes for calculating folder sizes

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