[SPARK-4632] version update

[prabeesh]

No description provided.

[srowen]

Relying on a SNAPSHOT build sounds worse, but yes this one exists.
(PS earlier I meant to say that https://repo.eclipse.org/content/repositories/paho/org/eclipse/paho/mqtt-client/0.4.0/ doesn't exist, because paho is the new repo that this change suggests, not paho-releases.)

[SparkQA]

Test build #23918 has started for PR 3495 at commit ec0b1c3.

• This patch merges cleanly.

[SparkQA]

Test build #23918 has finished for PR 3495 at commit ec0b1c3.

• This patch fails to build.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test FAILed.
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Test FAILed.

[tdas]

This is strictly worse than upgrading the version to 1.0.1 as they are not going to support 0.4.x at all as it was not their official release.

[prabeesh]

@tdas please see the last update date of the repo

[prabeesh]

@tdas paho updated the repo. Now the older one works fine.

[SparkQA]

Test build #23924 has started for PR 3495 at commit 8c6437e.

• This patch merges cleanly.

[SparkQA]

Test build #23924 has finished for PR 3495 at commit 8c6437e.

• This patch fails Scala style tests.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test FAILed.
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Test FAILed.

[pwendell]

This has a + added I think.

[SparkQA]

Test build #23957 has started for PR 3495 at commit ab03d50.

• This patch merges cleanly.

[SparkQA]

Test build #23957 has finished for PR 3495 at commit ab03d50.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test PASSed.
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Test PASSed.

[pwendell]

Thanks, pulling this in.