Code review comment for lp:~bjornt/launchpad/windmill-1.3beta

Upgrade Windmill 1.3beta3 + our patches to make test setup and teardown
less fragile.

We upgrade to a beta release, since it's quite final, and it's good to
upgrade before people start converting tests to the new format. That way
people can make sure that tests still pass with 1.3.

I've fixed the Code Windmill to pass with 1.3, since a validator got
fixed to match the exact string.

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Björn Tillenius | https://launchpad.net/~bjornt