Cleaned up selection of librato metics#19

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JustinLove wants to merge 4 commits intoeric:masterfrom

JustinLove:filterlibrato

Commits on Apr 18, 2012

Allow selection of which metrics to send to Librato metrics
ryanlower
committed

Commits on Jul 27, 2012

Commits on Jul 28, 2012

return value from flatten appears to differ by ruby version
JustinLove
committed