[FIXED JENKINS-29790] [FIXED JENKINS-29945]

Allows @Issue(String[])

[JENKINS-30007] let Installable implement NodeSpecific

[FIXED JENKINS-29798] Failed to listen to incoming slave connection

Update javadoc-plugin version

typofix - https://github.com/vlajos/misspell_fixer

Noting JENKINS-29936

Improved unit test for Util.deleteFile & Util.deleteRecursive

Added unit test for Util.deleteRecursive(File)

[JENKINS-28440] Reject configurations with errors in critical fields via REST / CLI

[JENKINS-29936] when removing an item use ACL.SYSTEM.

The OldDataMonitor should be using ACL.system not the ACL of the calling
thread - this also avoids the deadlock when an authorization strategy is
being saved (locking the auth strategy) which will call into the ODM at
the same point the ODM is being called an a Run has been saved (which will
cause a lookup of the job which will do a permissions check).

Fixed typos in pt_BR and pt_PT translations

[FIXED JENKINS-2327] Do not display 'No changes' if changelog calcula…

[JENKINS-28690] Aha! So I believe this will fully resolve any of these kinds of deadlocks

[FIXES PR#1777] Make accessing pendingLaunches lock free

Update link to Groovy

Codehaus terminated all services - now Groovy's new home is groovy-lang.org.