RFR: JDK-8236128: Allow jpackage create installers for services [v2]

[Alexey Semenyuk]

> Implementation of [JDK-8275062: "Allow jpackage create installers for services"](https://bugs.openjdk.java.net/browse/JDK-8275062)
>  CSR

Alexey Semenyuk has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 121 commits:

 - Merge branch 'master' into JDK-8236128
 - Whitespace cleanup
 - Whitespace cleanup
 - JDK-8236128: Allow jpackage create installers for services
 - Sync l10n files. Fix copyright year
 - Minor formatting fix
 - Merge fix
 - Merge fixed
 - Merge branch 'master' into JDK-8236128
 - Merge branch 'JDK-8236128' of https://github.com/alexeysemenyukoracle/jdk into JDK-8236128
 - ... and 111 more: https://git.openjdk.java.net/jdk/compare/f4edb59a...1a3d7cf5

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Changes: https://git.openjdk.java.net/jdk/pull/7793/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7793&range=01
  Stats: 3116 lines in 64 files changed: 2848 ins; 121 del; 147 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7793.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7793/head:pull/7793

PR: https://git.openjdk.java.net/jdk/pull/7793