Merge pull request #172 from Qwinix/master

Qwinix logo broken #170 & New Speaker: Jiahua Chen #164
Merge pull request #173 from Qwinix/master

Changes - #168, #169 and #171
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Merge pull request #174 from SatishTalim/master

commit - blog post
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Merge pull request #175 from SatishTalim/master

commit - minor
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Merge pull request #176 from SatishTalim/master

commit - minor
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Merge pull request #177 from SatishTalim/master

commit - minor
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Merge pull request #178 from SatishTalim/master

commit Deltax blog post
Merge pull request #182 from Qwinix/master

#180 and #181 and a small UI fix
update ga configuration
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Merge pull request #183 from SatishTalim/master

commit - blog post
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Merge pull request #185 from SatishTalim/master

commit - minor
enable ga feature
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