CLOUDSTACK-5824: poll for delete snapshot and volume events
CLOUDSTACK-5824: poll for delete snapshot and volume events

Signed-off-by: Rohit Yadav <902b9eb5dd62819678163bd5e00fbf0cbc7c264b@shapeblue.com>
(cherry picked from commit a85aea74ded3c8d1aadec19a9e7f062a34ce63fc)
Signed-off-by: Rohit Yadav <902b9eb5dd62819678163bd5e00fbf0cbc7c264b@shapeblue.com>

resmo/cloudstack,resmo/cloudstack,jcshen007/cloudstack,wido/cloudstack,wido/cloudstack,jcshen007/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,resmo/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,wido/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack