* Batch up dynamic plugin installations from setup wizard.

* Reworked to thread the list of batched-up plugins properly and introduced CompleteBatchJob to force the setup wizard to wait.

* UpdateCenterPluginInstallTest.test_installKnownPlugins failure.

* @amuniz notes that an existing message could now be considered misleading.

* Introduced UpdateCenter.DownloadJob.getDisplayName for better consistency in logging, as suggested by @Vlatombe.

* Reducing log levels of messages from dynamicLoad which are not of great interest, as suggested by @Vlatombe.

* Reducing log level of another message of little interest.

* Adding classic UI for CompleteBatchJob.

* CompleteBatchJob should be used only when dynamicLoad.

* Null defense on UpdateCenterJob.site.
Otherwise can get:
java.lang.NullPointerException
	at hudson.model.UpdateCenter.getConnectionCheckJob(UpdateCenter.java:850)
	at hudson.model.UpdateCenter.addConnectionCheckJob(UpdateCenter.java:817)
	at hudson.model.UpdateCenter.addJob(UpdateCenter.java:804)
	at hudson.model.UpdateSite$Plugin.deploy(UpdateSite.java:1367)
	at hudson.PluginManager.install(PluginManager.java:1537)
	at hudson.PluginManager.install(PluginManager.java:1496)
	at hudson.PluginManager.doInstall(PluginManager.java:1445)
	at …

Update versions of some detached plugins that installed in some cases when upgrading Jenkins or when implied dependencies are not specified for manually managed plugins. (#4125)

* Update bundled plugins

* Add new dependencies for JUnit, fix test with matrix-auth

* Introduce property for matrix-auth version

* InstallPluginCommand.name is unnecessary.

* Minor changes to error reporting requested by @oleg-nenashev.

[JENKINS-54854] Added a warning when cron trigger spent more than a threshold (30s) in its execution (#3802)

* [JENKINS-54854] Added a warning when cron trigger spent more than a threshold (30s) in its execution

* Added a test

* Fix based on feedback

* Added Admin monitor

* Cleanup

* Polishing

* Fix according the feedback provided by Oliver

* Added missing renamed admin monitor class

* Better Web layout

* Limit stacked messages to 10 by default

* Improved replacement

* Make SlowTriggerAdminMonitor#errors thread-safe

* Fixed as requested

* Admin monitor title changed

[JENKINS-58520] - Make new Jenkins version notification noticeable in administrative monitors

* Run the Linux JDK 8 & 11 builds using ACI agents rather than Ubuntu VMs.

* A couple of tests failed when run as root.

* Since https://github.com/jenkinsci/jnlp-agents/pull/5 is as yet undeployed, install packages ourselves as a workaround.

* Revert "Since https://github.com/jenkinsci/jnlp-agents/pull/5 is as yet undeployed, install packages ourselves as a workaround."
This reverts commit 2f7e84d67a86e5efbd02305e555f572ca36fd1a4.
The changes have been deployed, so the workaround is no longer necessary.

Update last links from /people to /asynchPeople

Omit WEB-INF/lib/jquery-detached-1.2.jar from jenkins.war

Remove extra space in css url()

* Add Latest release and Docker shields to README

* Use Jenkins update center as an information source

* Use Jenkins endpoits and HTTPs

* Change the badge color to retrigger CI

* [WEBSITE-634] - Add Release Drafter configurationfor drafting Weekly release YAMLs

* Release Drafter: add a disclaimer about the draft status

Make disk usage checker period configurable

Behave robustly in the face of errors from AdministrativeMonitor.isActivated

Fixing hint for Jenkins.getInstance

* [JENKINS-58483] - Remove Trilead SSH dependencies for CLI and the Core

* [JENKINS-43669] - Update SSH CLI Auth Module to 1.6 to Remove Trilead SSH references

* [JENKINS-58483] - Pick up the regression fix from https://github.com/jenkinsci/ssh-cli-auth-module/pull/14

* [JENKINS-58483] - Use the release version of SSH CLI Auth module