Merge pull request #1 from jdm/master

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Merge pull request #13 from jdm/master

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Merge pull request #14 from jdm/master

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Merge pull request #15 from jdm/master

Add Servo, and reorganize languages.
Merge pull request #16 from jdm/master

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Merge pull request #20 from jdm/master

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