Rule updates 2019 06.v4

[Kaizhe]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flaky-test

If contributing rules or changes to rules, please make sure to uncomment the appropriate kind

/kind rule/update

/kind rule/create

Any specific area of the project related to this PR?

/area engine
/area rules
/area deployment
/area integrations
/area examples

What this PR does / why we need it:
Improve whitelisting to reduce false positive

Which issue(s) this PR fixes:

Fixes #

1. add placeholder for rules write below root/etc
2. add weaveworks/scope to whitelist in rule change thread namespace
3. add openshift image to whitelist

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

1. add placeholder for rules write below root/etc
2. add `weaveworks/scope` to whitelist in rule change thread namespace
3. add openshift image to whitelist

[mstemm]

Just the know -> known suggestion.

[poiana]

LGTM label has been added.

Git tree hash: e35c75f5cf1415385c6c350c08f41b927c41f460

[poiana]

LGTM label has been added.

Git tree hash: 1ab6c7e57501c7e05cfb1a66bb4b28aa0df1c7e3

[poiana]

LGTM label has been added.

Git tree hash: f898ca5190efd5edc904a5e7b69890e13c8a16d1

[poiana]

LGTM label has been added.

Git tree hash: 25f52fc66ed31665b34cd40bb4549b0a4dc75403

[Kaizhe]

@mstemm can you please merge it for me?

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fntlnz, mstemm

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• rules/OWNERS [fntlnz,mstemm]

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