CLOUDSTACK-3795: When listing the publicipaddress provide assocNtwkId

PublicIpAddresses.list takes an associatednetworkid which lists all the
public ip addresses in the deployment's physical network associated with
the vnet.

Various tests failed because of `networkid` used in place of
`associatednetworkid`

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit b88fe8233af699786de6d08a6bc981546538898d)
Remove duplicate while-loop retries during ssh

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 53feae08de5f4d8072538e9060e5a6e074ebcdde)
CLOUDSTACK-3669:  Bringing down the dynamic scalable check (for VM whether it has xstools or vmware tools in it) to the management layer.
Signed off by : Nitin Mehta <nitin.mehta@citrix.com>
CLOUDSTACK-3779: Support System vm scaling on VMWare

Marked the system template new system template as dynamicallyScalable
   - handled upgrade case
   - moved "dynamicallyScalable" flag to vm_instance table from user_vm_details to support dynamic scaling of system vm
Signed off by : Nitin Mehta<nitin.mehta@citrix.com>