cli: validate args in /connect command
cli: validate args in /connect command

Change-Id: I785672abf85b317379604e9b30db0687b8a9653d
Signed-off-by: Michael pasternak <af5566a40fc9757136fd9da9ca5e2dbdd9b039eb@redhat.com>

oVirt/ovirt-engine-cli,oVirt/ovirt-engine-cli