RFR: 53: Decouple review requirement from the jcheck status

[Robin Westberg via github.com]

Hi all,

Please review this change that avoids marking a PR as having failed jcheck, if it is only missing reviews. This is similar to how the `rfr` label currently works.

Best regards,
robin

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Commits:
 - 00eaf2ac:	Don't flag PR's missing only reviews as having failed jcheck

Pull request:
https://git.openjdk.java.net/skara/pull/93

Webrev:
https://webrevs.openjdk.java.net/skara/93/webrev.00

Patch:
https://git.openjdk.java.net/skara/pull/93.diff

Fetch command:
git fetch https://git.openjdk.java.net/skara pull/93/head:pull/93