[release-0.4] Build manager binary in a modular way

[openshift-cherrypick-robot]

This is an automated cherry-pick of #156

/assign razo7

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@openshift-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/4.14-openshift-e2e	6dc5daf	link	true	/test 4.14-openshift-e2e
ci/prow/4.17-openshift-e2e	6dc5daf	link	true	/test 4.17-openshift-e2e
ci/prow/4.17-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.17-ci-bundle-my-bundle
ci/prow/4.15-images	6dc5daf	link	true	/test 4.15-images
ci/prow/4.15-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.15-ci-bundle-my-bundle
ci/prow/4.13-images	6dc5daf	link	true	/test 4.13-images
ci/prow/4.13-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.13-ci-bundle-my-bundle
ci/prow/4.17-images	6dc5daf	link	true	/test 4.17-images
ci/prow/4.12-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.12-ci-bundle-my-bundle
ci/prow/4.12-images	6dc5daf	link	true	/test 4.12-images
ci/prow/4.16-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.16-ci-bundle-my-bundle
ci/prow/4.16-images	6dc5daf	link	true	/test 4.16-images
ci/prow/4.15-openshift-e2e	6dc5daf	link	true	/test 4.15-openshift-e2e
ci/prow/4.16-openshift-e2e	6dc5daf	link	true	/test 4.16-openshift-e2e
ci/prow/4.13-openshift-e2e	6dc5daf	link	true	/test 4.13-openshift-e2e
ci/prow/4.14-ci-bundle-my-bundle	6dc5daf	link	true	/test 4.14-ci-bundle-my-bundle
ci/prow/4.14-images	6dc5daf	link	true	/test 4.14-images
ci/prow/4.12-openshift-e2e	6dc5daf	link	true	/test 4.12-openshift-e2e

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