Annotations are missing from get rule

CLI does not show annotations on a rule with `rule get` command:

```
wsk rule get lib_rule -v
REQUEST:
[GET] https://openwhisk.ng.bluemix.net/api/v1/namespaces/pdesai@us.ibm.com_dev/rules/lib_rule
RESPONSE:Got response with code 200
Response body size is 438 bytes
Response body received:
{"name":"lib_rule","publish":false,"annotations":[{"key":"managed","value":{"__OW_FILE":"tests/usecases/relationships/manifest.yml","__OW_PROJECT_HASH":"3e519a9c5c23da0f5fa7e428d5d29c5c8a3788ee","__OW_PROJECT_NAME":"LIB"}}],"version":"0.0.1","status":"active","action":{"path":"namespace/lib_package","name":"lib_greeting_1"},"namespace":"namespace","trigger":{"path":"namespace","name":"lib_trigger"}}
ok: got rule lib_rule
{
"namespace": "namespace",
"name": "lib_rule",
"version": "0.0.1",
"status": "active",
"trigger": {
"name": "lib_trigger",
"path": "namespace"
},
"action": {
"name": "lib_greeting_1",
"path": "namespace/lib_package"
},
"publish": false
}
```

```