Add 1.0.0-beta2 section to CHANGELOG.md#542

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dahlbyk merged 4 commits intomasterfrom rkeithhill/prep-beta2-changelog

May 14, 2018

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Commits on May 13, 2018

Clean up various markdown linter warnings

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dahlbyk
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Add 1.0.0-beta2 section

rkeithhill
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dahlbyk
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Updated changelog with latest changes

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dahlbyk
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Commits on May 14, 2018

More changelog updates
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