KNL-792 Switch to using the maven enforcer plugin so that maven versions apply when building parts of the checkout.
KNL-792 Switch to using the maven enforcer plugin so that maven versions apply when building parts of the checkout.

git-svn-id: 1bc6f63533c24e8bbbfb67ee5594815536d0113b@97308 66ffb92e-73f9-0310-93c1-f5514f145a0a

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