add node name, ID and IP

fix #193

`docker inspect` will look like:

```
...
    "Node": {
        "ID": "ODAI:IC6Q:MSBL:TPB5:HIEE:6IKC:VCAM:QRNH:PRGX:ERZT:OK46:PMFX",
        "IP": "0.0.0.0",
        "Addr": "http://0.0.0.0:4243",
        "Name": "vagrant-ubuntu-saucy-64",
        "Cpus": 1,
        "Memory": 2099654656,
        "Labels": {
            "executiondriver": "native-0.2",
            "kernelversion": "3.11.0-15-generic",
            "operatingsystem": "Ubuntu 13.10",
            "storagedriver": "aufs"
        }
    },
...
```