[FIXED JENKINS-22822] PeepholePermalink should maintain an in-memory …

…cache of symlinks to avoid disk I/O.

(cherry picked from commit 2ff7a90)

Conflicts:
	changelog.html

[maven-release-plugin] copy for tag jenkins-1.571

[maven-release-plugin] copy for tag jenkins-1.554.3

[maven-release-plugin] copy for tag jenkins-1.570

[maven-release-plugin] copy for tag jenkins-1.569

[maven-release-plugin] copy for tag jenkins-1.568

[maven-release-plugin] copy for tag jenkins-1.567

[FIXED JENKINS-22685] - Update WindowsLifeCycle.java to call restart!…

… to properly restart the service.

Using "restart!" instead of "restart" performs the restart in a separate process, so the service wrapper doesn't kill itself.

(cherry picked from commit c667110)

[maven-release-plugin] copy for tag jenkins-1.566

[maven-release-plugin] copy for tag jenkins-1.554.2