userportal: Adjust protocol message

This patch corrects protocol message in Basic User Portal. Previously
the message contained confusing information.

Fixed by displaying protocol name for selected VM/Pool.

Also removed some duplicate code.

Change-Id: I12a3746c70ce9fdb84e8807fc469f8f0cdb3c812
Bug-Url: https://bugzilla.redhat.com/1078138
Signed-off-by: Frantisek Kobzik <fkobzik@redhat.com>