Repackaged bundles; midonet.model contains org.midonet.cluster.data classes.

- Removed data model interfaces from midonet.cluster.
- Midonet.model will provide data model classes from
  org.midonet.cluster.data.
- midonet, midonet.cluster and midonet.cluster.local all depend on the
  midonet.model bundle
Merge branch 'dev/tomohiko/midonet_model/20131218' of github.com:midokura/odp-controller into dev/tomohiko/midonet_model/20131218

Conflicts:
	opendaylight/networkconfiguration/neutron/midonet/src/main/java/org/opendaylight/controller/networkconfig/neutron/midonet/MidonetNetworkHandler.java