Release Urgency Levels

We mark each release of Code Climate: Enterprise with an upgrade urgency level. This is to help determine how soon you should think about upgrading. We use the following levels, borrowed from Redis' release notes.

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Required releases

Occasionally releases will be marked as required if they include a backend schema change or migration. If trying to catch up on upgrades after a required release is skipped, Replicated will automatically upgrade to the required version before installing any newer versions.

LOW:      No need to upgrade unless there are new features you want to use.
MODERATE: Program an upgrade of the server, but it's not urgent.
HIGH:     There is a critical bug that may affect a subset of users. Upgrade!
CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP.