* Made small changes in punctuation, word selection, and word order to make it easier to read and understand the README and CONTRIBUTING 'md' files.

* Made changes based on feedback from @daniel-beck.

* Update README.md

Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>

* Update CONTRIBUTING.md

Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>

* Apply suggestions from code review

Co-authored-by: Burk Hufnagel <304328+BurkHufnagel@example.com>
Co-authored-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>

[JENKINS-63868] - Prevent the Build History Widget from exploding when user have Discover permissions without Read for folders

Commenting out part of FunctionsTest.printThrowable which fails in JDK 11.0.9+

Fix JS tests failing on master

Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: Tim Jacomb <timjacomb1+github@gmail.com>
Co-authored-by: Félix Queiruga <fqueiruga@cloudbees.com>
Co-authored-by: Tim Jacomb <t.jacomb@kainos.com>
Co-authored-by: Oleg Nenashev <o.v.nenashev@gmail.com>

[JENKINS-63958] use new winstone 5.11.1 with downgraded Jetty version 9.4.30.v20200611

Co-authored-by: A. Jard <angelique.jard@gmail.com>

Signed-off-by: olivier lamy <olamy@apache.org>

* French localization of login_fr.properties

* French localization of simple-header_fr.properties

* French localization: sentenced changes in login_fr.properties

* Update core/src/main/resources/jenkins/model/Jenkins/login_fr.properties

Co-authored-by: Adrien Lecharpentier <adrien.lecharpentier@gmail.com>

* Update core/src/main/resources/jenkins/model/DefaultSimplePageDecorator/simple-header_fr.properties

Co-authored-by: A. Jard <angelique.jard@gmail.com>

* Contributor name added

Co-authored-by: Adrien Lecharpentier <adrien.lecharpentier@gmail.com>
Co-authored-by: A. Jard <angelique.jard@gmail.com>

* TcpSlaveAgentListener.ConnectionHandler.run: Move allocation of output Writer to error method

* TcpSlaveAgentListener.ConnectionHandler.error: Replace PrintWriter to DataOutputStream

* TcpSlaveAgentListener.ConnectionHandler.respondHello: Replace OutputStreamWriter by DataOutputStream to avoid allocation of big buffer

* TcpSlaveAgentListener.ConnectionHandler.run: Replace Charsets to StandardCharsets

* TcpSlaveAgentListener.ConnectionHandler: Fix encoding of response

* TcpSlaveAgentListener: Remove unused imports

Co-authored-by: Ilya Gulyaev <ilya.gulyaev@nordigy.ru>

* RunList.subList: Reduce allocations in internal ArrayList

* LogRotator.perform: Remove copy of already new instance from subList

* LogRotator.perform: Change List to RunList for strict new List instance in builds.subList

* LogRotator: Remove unused imports

Co-authored-by: Ilya Gulyaev <ilya.gulyaev@nordigy.ru>

[INFRA-2751] Remove tfs plugin from setup wizard

* Improve tests for Labels

* Apply suggestions from code review

Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>

Co-authored-by: res0nance <res0nance@users.noreply.github.com>
Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>

[JENKINS-63868] - Prevent the Build History Widget from exploding when user have Discover permissions without Read for folders

Simplify code for tied jobs count

Reduce the prototype.js usage

removed dc-license.txt

* Do not use null value for aria-hidden HTML attribute

'' is not a valid value for the `aria-hidden` attribute.

Ref: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-hidden_attribute

Ref: https://dequeuniversity.com/rules/axe/3.5/aria-valid-attr-value?application=axe-puppeteer

* Omit aria-hidden rather than setting bad values.

In jelly, stop checking for null on it - if it's null it'll be excluded

Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: Ramon Leon <manuelramonleonjimenez@gmail.com>

Correct self label check

French localization of nojob_fr.properties

the license was supposed to be for the old original Hudson icons.
these have been long since replaced with pngs, svgs and new artwork so
should no longer be required.  (it was also in the root and not along
with other licences in about).  Given this is no longer needed as the
icons are long gone we can remove this file.

JENKINS-63798 Fix admin monitor JS showing in footer

[JENKINS-63937, JENKINS-63933] - Revert "Omit stacktraces on ClassNotFoundException in PluginStrategy classloading"

This reverts commit b62b6dd8.

Fix deprecation warnings + Update ArtifactArchiver to no longer consult with environment variables injected by EnvironmentContributingActions during the build (#4933)

* fixed deprecation warnings

* reverted changes

* fixed typeo in javadoc

* Update core/src/main/java/hudson/tasks/ArtifactArchiver.java

Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>

* Update core/src/main/java/hudson/cli/BuildCommand.java

Co-authored-by: Jesse Glick <jglick@cloudbees.com>

* fixed imports

Co-authored-by: Daniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: Jesse Glick <jglick@cloudbees.com>