ui: Host settings not populated with prtocol info on Guide Me panels

DataCenter and Cluster Guide me panels did not set protocol type so it
was always set to xmlrpc unless user changed the value.

Bug-Url: https://bugzilla.redhat.com/1142706
Change-Id: I2308aa387b584388ecb5f44cfb0973380688eff1
Signed-off-by: pkliczewski <piotr.kliczewski@gmail.com>