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We should be using replica to indicate a new node of redis.
Unfortunatley gcr still hasn't pushed another image, so we will still
have to use registry.k8s.io/redis-slave:v2
#### What this PR does / why we need it:
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Signed-off-by: Charlie Drage <charlie@charliedrage.com>
Previously we used to mention controller type as `--deployment`,
`--replication-controller` or `--daemonset` as argument.
But now,
it will be like,
ex.
```
kompose convert --controller=daemonset
```
