Change context.TODO() with better context handling

[srgothi92]

Image I'm using:
N/A

Issue or Feature Request:
Issue

Description

Kubernetes go client library was updated as part of PR-70, but the newer version requires context in lots of API's. The context was difficult to determine so It was set as context.TODO() as part of PR-70. We should change it to more meaningful context.

[cbgbt]

This shouldn't be an issue in the latest Update Operator release, 0.2.0, which has changed implementations to use kube-rs