Nodes added through the OF1.0 AD-SAL plugin not visible via RESTCONF

1. start the controller using the OF1.0 plugin that utilizes the AD-SAL
2. start mininet and point it at the controller
3. nodes are visible in the UI
4. get 404 when attempting to get the nodes from RESTCONF (http://localhost:8080/restconf/operational/opendaylight-inventory:nodes/)

1. start the controller using the OF1.0/1.3 plugin that utilizes the MD-SAL
2. start mininet and point it at the controller
3. nodes are visible in the UI
4. nodes are returned from RESTCONF (http://localhost:8080/restconf/operational/opendaylight-inventory:nodes/)