+ drop the OOB support for Jetty 9.4.x
+ simplify Jenkinsfile since master now builds with Java 11

[Misc] Adding debugging info for the flicker in the hope to understand why the suggests doesn't finish loading
* Remove the debug code since the flicker still happens on the CI and the new page displayed is fine (no error in it)
* The reason is possibly a real race condition that we need to fix. Or we're not waiting on the right DOM elements in SuggestInputElement()

- Capture a stale element issue when calling waitUntilReady just after a page load
- Wait before listing the popover actions WebElements to let time to hover on the targeted element

* Fix test accordingly

XWIKI-18983: Regular users cannot move or delete anymore a page created by them which has been converted to terminal

[Misc] Adding debugging info for the flicker in the hope to understand why the suggests doesn't finish loading

Wrap the localization of platform.livetable.docNotViewable on a call to jsontool.serialize to form a valid javascript string.

Currently translated at 63.0% (2768 of 4393 strings)

Translation: XWiki Platform/XWiki Core Resources
Translate-URL: https://l10n.xwiki.org/projects/xwiki-platform/xwiki-core-resources/ro/

XWIKI-19158: The list of connected users and the lag are not visible on the real-time WYSIWYG editor toolbar
* Bulletproofing

XWIKI-19158: The list of connected users and the lag are not visible on the real-time WYSIWYG editor toolbar

XWIKI-19081: Async Rendering is broken on Jetty 10.0.3+/9.4.x+ because double url encoded URI are rejected
* Jetty 9.x is not affected actually

  * Implements equals and hashCode in both MergeManagerResult and
    MergeDocumentResult
  * Add tests

XWIKI-19081: Async Rendering is broken on Jetty 10.0.3+/9.4.x+ because double url encoded URI are rejected

XWIKI-19110: Live Data tables appear to be loading continuously when a greyed out layout is selected

* Update the ConfigurableClass object in XWiki.Realtime.Configuration (remove deprecated property and set scope to wiki)
* Upgrade to ChainPad Netflux and Netflux Client 1.0.0
* Add dependency to es6-promise that was removed from Netflux Client
* Add a timestamp query string parameter when retrieving the channel keys with REST to prevent caching issues in IE11.
* Setup polyfills for Promise, Object.entries() and XPath API in order to support IE11
* Define the missing toolbar variable which was causing both the Wiki and WYSIWYG realtime editors to fail in IE11.
* Improve the name of the realtime WYSIWYG editor displayed in the drop down on the administration section.
* Upgrade diffDOM to the latest version
* Add dependency on wicked-good-xpath in order to polyfill XPath API support in IE11

XWIKI-18600: Refactor the security modules organization, add a Security Config component and improve some templates
* Fix old dependency that were forgotten

* Only push on demand locally (and always on CI)

  * Fix wrong usage of dt html element

  * Add missing unit tests for skinx

* Fix AnnotationsIT
* the js condition to check if an annotation exists was failing when an anotation started at the beginning of the text
* simplified the condition