nginx-ingress: bump to 1.0.4

[mzaian]

What type of PR is this?
/kind bug

What this PR does / why we need it:
This PR updates our nginx-ingress controller to 1.0.4 to support all versions of kubernetes currently supported in kubespray master branch.

Which issue(s) this PR fixes:
Release notes https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.0.4

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:
Ingress-nginx: upgrade to 1.0.4

[k8s-ci-robot]

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[floryut]

/ok-to-test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, mzaian

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[oomichi]

/lgtm