[JENKINS-8446] it's better to let those directories setting be a part of JENKINS_HOME rather than being independent configuration properties, since they aren't orthogonal.

projects.

I'd like to believe that the original reason was because earlier
versions of XStream that we used early on didn't support the methods
that take InputStream as a parameter.

and an implementation around SSH keys.

changelog will be updated when the server-side authentication module
is added.

"java.lang.NoSuchFieldError: clouds" in libvirt plugin and other cloud plugins, as the type of the field has changed.
The same problem can potentially occur with MasterComputer, so I fixed that as well.

Added a new WipeOut permission (enabled through the hudson.security.WipeOutPermission system property) to control the "Wipe Out Workspace" action

HTTPS

Clamp the lower bound of the predicted minimum number of idle executors
at 0 to prevent an IndexOutOfBoundsException.

[FIXED JENKINS-9203] in light of 9c965617, I think the proper fix is to define a mechanism to abort with status.

To make views reusable elsewhere, removing "Manage Jenkins" from View and moving the logic to the top-level Hudson class.

StringParameterDefinition and reuse most of its views.

Added ViewGroup.getItemGroup() so that views can be used with ItemGroups in general, not just with Hudson.

extracted the commonality into ViewGroupMixIn, much like we have ItemGroupMixIn. This makes reuse in plugins easier, too.