edx/edx-ora2 — pull request #438 by wedaly (2014-06-16 16:02:05+00:00)
Title: Will/fix datadog calls

Fix for [TIM-644](https://edx-wiki.atlassian.net/browse/TIM-644).

`tags` was being passed as a positional arg instead of a kwarg, so it was being used as the `value` kwarg.
@gradyward please review.