These at-since were improperly added

Update at-since up to May 3, 2020

Add proper title for setup wizard

Remove abusive badges

Better logging for signature validation

This has changed maven coordinates to the jakarta project, though the
code is binary compatible still.

[JENKINS-62089] Reduces the help icon size to 20px

Maintainer guide: Reference the IRC channel

* [JENKINS-60866] Un-inline JavaScript from ReverseProxySetupMonitor

* Also un-inlining CSS

* Arrow to function

* Differentiate css-class and js-class

* The forgotten one

Setting visibility to hidden along with the opacity transition makes the underlying breadcrumb clickable again, despite the notification-bar div

No need to add browser prefixes since there is widespread support for this among browsers

[JENKINS-60866] Un-inline JavaScript/Style in LogRecorder views

[JENKINS-61841] Limit the number of exceptions stored by CompositeIOException

[JENKINS-62056] Fix ExtensionComponent#compareTo

Indicate which plugin provides an UnprotectedRootAction

Jenkins bundled Bootstrap 3 grid uses untypical 24 columns
and is not compatible with new JS frameworks that are based
on BS4 and a 12 column grid.

Workaround for https://issues.jenkins-ci.org/browse/JENKINS-61326

Add form validation warning when signup is enabled