feat(typings): add typings to support TypeScript#646

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segfaultmedaddy merged 5 commits intotj:masterfrom

alan-agius4:feature/ts-typings

Jul 23, 2017

Commits on Jun 24, 2017

Commits on Jul 21, 2017

Merge remote-tracking branch 'upstream/master' into feature/ts-typings
alan-agius4
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Commits on Jul 23, 2017

packages: use `@types/node` `7.0.39`
alan-agius4
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