[FLINK-11780] Change version scheme of Hadoop-based modules to conform to SNAPSHOT guidelines

[aljoscha]

Currently, modules that depend on Hadoop have the version scheme ${project.version}-${hadoop.version}. With this, however, the version does not have SNAPSHOT at the end, meaning we cannot deploy snapshot releases.

The change proposed by @zentol is to use ${hadoop.version}-${project.version}.

I didn't yet see if this is green on Travis, just opening it early for review.

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• ✅ 1. The [description] looks good.
  • Approved by @zentol [PMC]
• ✅ 2. There is [consensus] that the contribution should go into to Flink.
  • Approved by @zentol [PMC]
• ❓ 3. Needs [attention] from.
• ✅ 4. The change fits into the overall [architecture].
  • Approved by @zentol [PMC]
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  • Approved by @zentol [PMC]

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[zentol]

@flinkbot approve all

[aljoscha]

Merged on master, will merge on release-1.8 once it is green.