[JENKINS-42724] - Restore the windows-service/jenkins.xml resource to restore compatibility with windows-slaves 1.2 (#2803)

* [JENKINS-42724] - Restore the jenkins-slave.xml file

Windows Slaves plugin performs a direct access to the resources bundled into the core.
Hence the file removal was a bad idea though I have not seen the issue in automatic tests and ATH.

This change also was a last-minute change in https://github.com/jenkinsci/jenkins/pull/2765/ in order to address suggestions from @daniel-beck, hence I didn't test it properly

* [JENKINS-42724] - Update the Windows Agents plugin dependency to 1.3.1

* [JENKINS-42724]  -Revert the war/pom.xml upgrade

* JENKINS-42319: Fix broken compareTo method of Run

Previous implementation relied on fact that users always compare run
objects with same parent. But this is not always the case.
So, it was not safe to put runs from different parents to TreeSet, i.e.

* Make comparasion more performance friendly

Permission.owner is already marked @Nonnull, and
is built using PermissionGroup.owner.

Signed-off-by: NOleg Nenashev <o.v.nenashev@gmail.com>

Fix of some mistakes in french help documentation.

### WinSW changes

The update includes many fixes and improvements, the full list is provided in the [WinSW changelog](https://github.com/kohsuke/winsw/blob/master/CHANGELOG.md). There are several issues referenced in Jenkins bugtracker:

* [JENKINS-22692](https://issues.jenkins-ci.org/browse/JENKINS-22692) - Connection reset issues when WinSW gets terminated due to the system shutdown
* [JENKINS-23487](https://issues.jenkins-ci.org/browse/JENKINS-23487)- Support of shared directories in WinSW
* [JENKINS-39231](https://issues.jenkins-ci.org/browse/JENKINS-39231) - Enable Runaway Process Killer by default
* [JENKINS-39237](https://issues.jenkins-ci.org/browse/JENKINS-39237) - Auto-upgrade of JNLP agent versions on the slaves

### Windows Agent Installer changes

* Adapt the default configurations to pick fixes above
* Slave => Agent renaming where possible

### Jenkins core changes

* Modify the configuration template, reference advanced options
* Enable Runaway Process Killer by default

* Update Windows Agent Installer to 1.7

* Remove the obsolete jenkins-slave.xml file from the core.

Now it is within windows-slave-installer

* Use the deployed Snapshot for CI

* Pick the release version of windows-slave-installer-1.7

Windows doesn't allow deleting directories that have a file open inside of them, so this test is invalid on windows.