CLOUDSTACK-4219: Autoscale UI: Fix for missing form data

Fix form data not being passed when editing autoscale policy on
existing LB rules.
CLOUDSTACK-4149
[upgrade][2.2.13 -> 2.2.14 -> 4.2][KVM] When we try to upgrade the KVM agent from 2.2.14 to 4.2 using the "U" option in install.sh script, management server also gets installed!
CLOUDSTACK-4253: change the log message if copy template from secondary storage to primary storage failed
CLOUDSTACK-4250: [Object_store_refactor] Register ISO fails in multizone
environment if downloading to one of the zone fails.
CLOUDSTACK-4253: add more logs for vmware storage related operations