CLOUDSTACK-3510
Persist the download url in the db for volume download.
Signed off by : nitin mehta<nitin.mehta@citrix.com>

Conflicts:

	server/src/com/cloud/storage/VolumeManagerImpl.java
CLOUDSTACK-3852: fix upload volume

Conflicts:

	plugins/hypervisors/vmware/src/com/cloud/hypervisor/guru/VMwareGuru.java
	server/src/com/cloud/template/TemplateManagerImpl.java
CLOUDSTACK-2133 - Cisco VNMC xml need copy to plugins/network-elements/cisco-vnmc/scripts/network/cisco during installation
Supporting packaging for RHEL 5 and 6.2; updated macros

Signed-off-by: Edison Su <sudison@gmail.com>