Added ipmi installation to the Cisco vendor script.
Added ipmi installation to the Cisco vendor script.

Previous Cisco installers installed ipmi so that cobbler could
manage node's power. This is still needed functionality..

Change-Id: Id2793fea5c28f1f2a67bdda13ebc4dee707bc42b

CiscoSystems/puppet_openstack_builder,michaeltchapman/puppet_openstack_builder,michaeltchapman/vagrant-consul,phchoic/puppet_openstack_builder,michaeltchapman/puppet_openstack_builder,michaeltchapman/vagrant-consul,phchoic/puppet_openstack_builder,CiscoSystems/puppet_openstack_builder,phchoic/puppet_openstack_builder,michaeltchapman/puppet_openstack_builder