[JENKINS-55292] Remove MailCommand localization from core

Update commons-beanutils to latest version

Adjusted TaskListener flushing in remote code

[JENKINS-56733] Add a button to copy new token

[JENKINS-53462] Submit form on Firefox as well

Improve help

[JEP-216] Support loading localizer and webapp resources from any plugin

Security followup

[JENKINS-50504] WorkspaceList.inUse should be keyed by String not FilePath so leases survive agent reconnections

Rewriting old data monitor text

[simple] Remove debug timeout that was forgotten

[JENKINS-56166] Remove hudson.util.ssh.SFTPClient classs from core

[FIX JENKINS-40750] Remove cc.xml from core

[SECURITY-904] Fold tests back into normal files

Update ExtensionList#load to not log unnecessary stacktrace

[JENKINS-56931] handle absolute paths correctly when unzipping

Limiting system properties transmitted to the agent to those for which this has been explicitly indicated as safe.

Introduced LineTransformationOutputStream.Delegating