Pass request object to auth backends' get_or_create_user() methods.

Review Request #4403 — Created Aug. 7, 2013 and submitted — Latest diff uploaded

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Review Board
master

Reviewers

Pass request object to auth backends' get_or_create_user() methods.
All unit tests pass: 

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Ran 703 tests in 132.756s

OK (SKIP=12)

The skipped tests are all related to perforce, which I don't have installed.  They should be unrelated to my patch.