CLOUDSTACK-999: hyper-V: UI > zone wizard > Add Secondary Storage step > add "SMB/cifs" option in Provider dropdown >  When Provider is selected as SMB/cifs, show SMB username/password/domain fields and send their values into url parameter of addImageStore API.
Revert "XS host free memory might change, if user manually changes dom0 memory,"

This reverts commit a1d09ae16f08c86bfca5c4a89dec371ef6d3ee67.