Added link to the pull request of "Changed defaults for the Mac installer to make iOS codesigning easier"

[FIXED JENKINS-15733] ArrayIndexOutOfBoundsException from Launcher due to misinterpretation of ProcStarter.envs in f5cebdc8.
(Should this field be made a [LinkedHash]Map<String,String> or even EnvVars?
It is protected in a final class, so effectively package-private, thus not a b/w compat issue.)

maven-failsafe-plugin deserves the same level of integration
as maven-surefire-plugin.

A failed IT should mark the build as unstable, not failed.

Integrated the fix made in Winstone.

Integrated a fix made in Stapler.

This reverts commit c8e5cb93.

[FIXED JENKINS-15316] Harmless but noisy exception running builds on some Windows systems in non-English locale.
Falling back to just checking for ‘FileSystemException’ since detail message about missing required privilege may be translated.

/computer/*/doDelete should try harder to remove even a “zombie” Computer with no associated Node.

If unwrap returns null, we need to fall through to load to try it again.
(cherry picked from commit 04c87d8d)

Ensure that SortedList clones the underlying data list.
Without this changes to a clone also change the original list.
(cherry picked from commit 761c4379)

Ensure that SortedList clones the underlying data list.
Without this changes to a clone also change the original list.

Added uninstaller that removes *.jpi.