[chart] Add storage class annotation and label handling

[nicholasmhughes]

Is this a bug fix or adding new feature?
Depends on your point of view... 😉 The issue is categorized as a bug.

What is this PR about? / Why do we need it?
Adds storage class annotation and label handling to the chart. See #733

What testing is done?

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[k8s-ci-robot]

Hi @nicholasmhughes. Thanks for your PR.

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[coveralls]

Pull Request Test Coverage Report for Build 1613

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 81.49%

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Totals
Change from base Build 1608:	0.0%
Covered Lines:	1717
Relevant Lines:	2107

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💛 - Coveralls

[ayberk]

/ok-to-test

[ayberk]

/retest

[nicholasmhughes]

@ayberk is there anything else I need to do for this PR?

[ayberk]

@nicholasmhughes If you can squash to a single commit I can merge it. Thanks a lot!

[nicholasmhughes]

@ayberk is that good enough?

[ayberk]

/lgtm
/approve

Thanks!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ayberk, nicholasmhughes

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Needs approval from an approver in each of these files:

• OWNERS [ayberk]

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[nicholasmhughes]

thank you!