packaging: setup: Introduce plugin for fence_kdump listener

Introduces setup plugin to configure fence_kdump listener during
execution of engine-setup.

Change-Id: I052cc2296c479caf58d0930a8e678298dde63517
Bug-Url: https://bugzilla.redhat.com/1079821
Signed-off-by: Martin Perina <mperina@redhat.com>