* [JENKINS-52729] Demonstrating issue with Launcher.ProcStarter.stdout(TaskListener).

* [JENKINS-52729] Properly remote the TaskListener.

* Defend test against a possible problem on Windows.

* FindBugs

* Fix a Windows test failure. There is no C:\Windows\System32\echo.exe; it is a cmd.exe built-in.

* Clarify in Javadoc that TaskListener is remotable.

* A call to stdout(TaskListener) should be countermanded by a call to stdout(OutputStream), which was true for local but not remote launchers.

* offer symetrical getter for databound constructor parameter "env"
Signed-off-by: NNicolas De Loof <nicolas.deloof@gmail.com>

* javadoc
Signed-off-by: NNicolas De Loof <nicolas.deloof@gmail.com>

Javadoc: Link ToolInstaller to InstallSourceProperty

* [JENKINS-52441] Care about user with id = 'null'

* Add test case for the null id

* Address Ramon's comment

* Adjust whitespaces

* Bump up jna.jar version to 4.5.1

Fixes https://issues.jenkins-ci.org/browse/JENKINS-52771.
JNA support for s390x is missing in 4.2.1. The support is added in 4.5.1 version as part of issue 845
Issue: https://github.com/java-native-access/jna/issues/845
Commit : https://github.com/matthiasblaesing/jna/commit/1fef4a20a031d91dce6d37e6ef809c9d38708bd2

* Per review comment , bump jna.jar version to 4.5.2

* Convert anonymous MasterToSlaveFileCallable to member

org.jenkinsci.remoting.util.AnonymousClassWarnings warn:

WARNING: Attempt to (de-)serialize anonymous class hudson.model.ParametersDefinitionProperty$1
WARNING: Attempt to (de-)serialize anonymous class hudson.cli.ClientAuthenticationCache$1

see: https://jenkins.io/redirect/serialization-of-anonymous-classes/

* Try to make DefinitionsAbstractList a static class

* [JENKINS-51666] Polish logging for rejected classes in ClassFilterImpl

* [JENKINS-51666] Value r is always true

* Add content doc for split plugins resource file

* Fix documentation based on Devin's findings

* Add note why we're not fixing it

[JENKINS-52718] InstallState API should not be Restricted

Add missing javadoc for second parameter

* Add translation for api token

* Change the expression

Fixes broken translation

Strip referer when following links to other origins

Add transaltion for maven configure

Add translation for signup page

Update CONTRIBUTING.md

[JENKINS-52417] Javadoc clarifications now that INFRA-1600 is cleared up