TINKERPOP-1835 Bump Netty 4.0.53

[robertdale]

https://issues.apache.org/jira/browse/TINKERPOP-1835

Latest bug-fix release. No new deps.

Building...

[robertdale]

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
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[INFO] Total time: 3:37:17.957s
[INFO] Finished at: Fri Nov 17 16:16:11 UTC 2017
[INFO] Final Memory: 170M/1088M
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VOTE +1

[spmallette]

I assume it was just a mistake to not target tp32 for this?

[robertdale]

Indeed it was. Rebase on tp32. Building..

[robertdale]

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
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[INFO] Total time: 3:41:34.626s
[INFO] Finished at: Mon Nov 20 17:06:14 UTC 2017
[INFO] Final Memory: 191M/2931M
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[robertdale]

Updated the PR to tp32 base

[spmallette]

VOTE +1

[dkuppitz]

VOTE: +1