Reduce the number of GET requests

[timebertt]

This PR refactors the history.History interface and implementations to take a full client.Object instead of a client.ObjectKey.
With this, the ListRevisions function can spare the additional GET request for the object, that is already performed by the kubectl libraries.

Before:

$ k revisions get deploy nginx -v6
I0708 22:15:54.192892   90818 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx 200 OK in 5 milliseconds
I0708 22:15:54.194036   90818 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx 200 OK in 0 milliseconds
I0708 22:15:54.195177   90818 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx 200 OK in 1 milliseconds
NAME               REVISION   READY   AGE
nginx-77bdb74675   1          3/3     84m

$ k revisions get deploy -v6
I0708 22:16:02.772346   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments 200 OK in 5 milliseconds
I0708 22:16:02.774134   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx 200 OK in 1 milliseconds
I0708 22:16:02.775542   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx 200 OK in 1 milliseconds
I0708 22:16:02.776539   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx2 200 OK in 0 milliseconds
I0708 22:16:02.777557   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx2 200 OK in 0 milliseconds
I0708 22:16:02.778471   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx3 200 OK in 0 milliseconds
I0708 22:16:02.779407   91043 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx3 200 OK in 0 milliseconds
NAME                REVISION   READY   AGE
nginx-77bdb74675    1          3/3     84m
nginx2-754bbc4897   1          3/3     83m
nginx3-784ddc76db   1          3/3     83m

After:

$ k revisions get deploy nginx -v6
I0708 22:38:01.273952    5075 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments/nginx 200 OK in 5 milliseconds
I0708 22:38:01.276802    5075 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx 200 OK in 1 milliseconds
NAME               REVISION   READY   AGE
nginx-77bdb74675   1          3/3     106m

$ k revisions get deploy -v6
I0708 22:38:04.067928    5144 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/deployments 200 OK in 5 milliseconds
I0708 22:38:04.070295    5144 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx 200 OK in 1 milliseconds
I0708 22:38:04.071345    5144 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx2 200 OK in 0 milliseconds
I0708 22:38:04.072561    5144 round_trippers.go:553] GET https://127.0.0.1:50594/apis/apps/v1/namespaces/default/replicasets?labelSelector=deployment%3Dnginx3 200 OK in 1 milliseconds
NAME                REVISION   READY   AGE
nginx-77bdb74675    1          3/3     106m
nginx2-754bbc4897   1          3/3     105m
nginx3-784ddc76db   1          3/3     105m