Stylelint fixes

Fixed eslint warnings of type no-mixed-spaces-and-tabs

[JENKINS-64039] improve CaseInsensitive.equals(String, String) performance

Queue (mainly) style consistency

* Update french i18n

* Apply suggestions from code review
Co-authored-by: NVincent Latombe <vincent@latombe.net>

* Update core/src/main/resources/hudson/slaves/DumbSlave/configure-entries_fr.properties
Co-authored-by: NAdrien Lecharpentier <adrien.lecharpentier@gmail.com>

* Adjust using review feedbacks

* Update war/src/main/webapp/help/system-config/master-slave/availability_fr.html
Co-authored-by: NA. Jard <angelique.jard@gmail.com>

* Update availability_fr.html

* Update war/src/main/webapp/help/system-config/master-slave/availability_fr.html
Co-authored-by: NA. Jard <angelique.jard@gmail.com>
Co-authored-by: NVincent Latombe <vincent@latombe.net>
Co-authored-by: NAdrien Lecharpentier <adrien.lecharpentier@gmail.com>
Co-authored-by: NA. Jard <angelique.jard@gmail.com>

Hacktoberfest: trim the adminAddress before saving

The CaseInsensitive IdStrategy would always do a full string comparison
even when all that was required was an equivallence check.

updated the javadoc to clarify performance implications for subclasses
and fix the performance of the CaseInsensitive strategy

[JENKINS-35452] A step towards removing more 'slave' terminology.

[JENKINS-64035] - Winstone 5.12: Update Jetty from 9.4.30.v20200611 to 9.4.33.v20201020

* 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: NDaniel Beck <1831569+daniel-beck@users.noreply.github.com>

* Update CONTRIBUTING.md
Co-authored-by: NMark Waite <mark.earl.waite@gmail.com>

* Apply suggestions from code review
Co-authored-by: NBurk Hufnagel <304328+BurkHufnagel@example.com>
Co-authored-by: NOleg Nenashev <o.v.nenashev@gmail.com>
Co-authored-by: NDaniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: NMark 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

- Removal of null check, while annotation + ecosystem search proves it's never occurring
- Small code style
- Cleanup of tab vs spaces

Co-authored-by: NDaniel Beck <1831569+daniel-beck@users.noreply.github.com>
Co-authored-by: NTim Jacomb <timjacomb1+github@gmail.com>
Co-authored-by: NFélix Queiruga <fqueiruga@cloudbees.com>
Co-authored-by: NTim Jacomb <t.jacomb@kainos.com>
Co-authored-by: NOleg Nenashev <o.v.nenashev@gmail.com>

Signed-off-by: NDarin Pope <darin@planetpope.com>

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

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

Signed-off-by: Nolivier 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: NAdrien Lecharpentier <adrien.lecharpentier@gmail.com>

* Update core/src/main/resources/jenkins/model/DefaultSimplePageDecorator/simple-header_fr.properties
Co-authored-by: NA. Jard <angelique.jard@gmail.com>

* Contributor name added
Co-authored-by: NAdrien Lecharpentier <adrien.lecharpentier@gmail.com>
Co-authored-by: NA. 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: NIlya 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: NIlya 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: NMark Waite <mark.earl.waite@gmail.com>
Co-authored-by: Nres0nance <res0nance@users.noreply.github.com>
Co-authored-by: NMark Waite <mark.earl.waite@gmail.com>