librato/librato-metrics — pull request #54 by dipth (2012-12-21 15:31:32+00:00)
Title: Fix problem with MultiJson.dump

MultiJson.dump was first introduced in multi_json version 1.3.4, MultiJson.load was however introduced before, making the conditional fail to detect the missing dump-method in some versions of the gem.

This is what is causing ```submission failed permanently: undefined method `dump' for MultiJson:Module``` in ```librato-rails```:
https://github.com/librato/librato-rails/issues/40