RFR: 1213: Generic jdk-cpu fixVersion

[Kevin Rushforth]

On Wed, 13 Oct 2021 14:17:19 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

> This patch does two things.
> 
> 1. Makes "jdk-cpu" a valid JdkVersion in Skara terms. This will allow us to use this generic version as fixversion for our jdk-cpu repos.
> 2. Makes it possible to configure "altfixversions" for a repository in the notifier. If an altfixversion is configured for a branch, then the notifier will not attempt to update any bugs or add any new backports if one of the altfixversions is already found to be fixed.
> 
> The second change is needed to prevent changes being merged from jdk to jdk-cpu from creating new backport records for every change in the jdk repo.
> 
> I removed the test "testIssuePoolOpenVersion" as it was an exact copy of the test preceding it "testIssuePoolVersion".

Looks good.

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Marked as reviewed by kcr (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/1234