Merge pull request #1395 from blackberry/next

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Merge pull request #1396 from blackberry/next

Updated CHANGES.md
Merge pull request #1398 from blackberry/next

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Removed duplicate burst size string in Particles sample
Merge branch 'master' of https://github.com/blackberry/GamePlay
Merge pull request #1399 from blackberry/master

Merge master to next