A small bugfix; we only need to call the iscsiadm sendtarget command when we are first logging in; we don't need to do it for logout.  Move the sendtarget command into the Login() function.
A small bugfix; we only need to call the iscsiadm sendtarget command when we are
first logging in; we don't need to do it for logout.  Move the sendtarget
command into the Login() function.

Signed-off-by: Chris Lalancette <60b62644009db6b194cc0445b64e9b27bb26433a@redhat.com>

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