[FIX JENKINS-38615] Add user to restart log message

[JENKINS-37098] Since tag cleanup

Declare .gitattributes and normalize line endings

That file will avoid users to file PR with wrong newline encoding.
I've tried to declare what seemed to be the most common extensions. It's
not strictly required, since the first line and the Git integrated
heurisitics would work just fine in general. But we're just adding a bit
more info here to lower chances to screw up.

[JENKINS-38651] Display actions created through TransientActionFactory in label view

See but very important  as not following this will result in :bugs: during code review

[FIXED JENKINS-38473] Set a short timeout on the socket when using it to wake the acceptor thread. (#2564)

* [FIXED JENKINS-38473] Set a short timeout on the socket when using it to wake the acceptor thread.

* [JENKINS-38473] Remove leftover typing in wrong window

Diff: https://github.com/jenkinsci/extras-executable-war/compare/executable-war-1.33...executable-war-1.34

* https://issues.jenkins-ci.org/browse/JENKINS-23232
* https://issues.jenkins-ci.org/browse/JENKINS-34287

[FIX JENKINS-38187] Fix setting JNLP port through system property

[FIXED JENKINS-38534] Isolate the code that requires the `Jenkins` class to be loaded from an agent code path

[FIXED JENKINS-38534] Isolate the code that requires the `Jenkins` class to be loaded from an agent code path

Enhance tests of jenkins.util.SystemProperties

Serbian [sr] translation of properties files

Remove the broken packaging testing temporarily

[FIX JENKINS-38391] Show admin monitors on most URLs

* [FIX JENKINS-18114] Exclude /cli URL from crumb requirement

* [JENKINS-18114] Fix test: Don't send the crumb

The CLI doesn't do this either.

[JENKINS-32148] - Add :hover to all stripped table rows