Merge pull request #613 from Qwinix/master

Added Bryan Liles and Jyotiska NK as a Speaker #595 and #608
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Merge pull request #615 from SatishTalim/master

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Merge pull request #616 from SatishTalim/master

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Merge pull request #617 from SatishTalim/master

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Merge pull request #618 from SatishTalim/master

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Merge pull request #619 from SatishTalim/master

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Update: Jyotiska NK Twitter id change #410
Merge pull request #411 from Qwinix/issue_410

Update: Jyotiska NK Twitter id change #410
Merge pull request #412 from Qwinix/master

Update: Jyotiska NK Twitter id change #410