split checkstyles into fatal and non-fatal configs

Description

Having checkstyle report only include "fatal violations" would helps new contributors immensely.

Environment

None

Status

Assignee

Unassigned

Reporter

Steve Ebersole

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

None

backportDecision

None

Components

Priority

Major