Add support for rackspace swift backends
Add support for rackspace swift backends

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