Tokutek/mongo — pull request #454 by leifwalsh (2013-08-17 17:47:10+00:00)
Title: added RetryableException handling to more pieces of DistributedLock #451

There were other pieces of DistributedLock code that called findOne and
did not parse the exception thrown by nextSafe. See 51cb556 and #413 for
more background, that change was incomplete, this change completes it.

closes #451