[FIXED JENKINS-7537] reports indicate that exec(2) from multi-threaded app now works on Snow Leopard. Also see JENKINS-4012

this and the previous commit constitutes the fix.
Also added a test case.

The URL is used in many more places than just E-mail Notification, but people who do not send emails from Jenkins tend to overlook it and do not think it is a setting that will affect them.

so doesn't really belong here.. will add in wiki instead.

application" upon failed boot

[FIXED JENKINS-8348]
[FIXED JENKINS-8448]

Second part of the JENKINS-6439 fix.

Signed-off-by: Matthias Kraft <Matthias.Kraft@softwareag.com>

label axis

Adding a TransientComputerActionFactory. Note that the transient actions are never updated, so to make actions appear to be added dynammically you need to always add them and control their display, rather than conditionally add them.  This is the same behaviour as for TransientViewActionFactory but not quite the same behaviour as TransientProjectActionFactory

Conflicts:

	changelog.html

Adding a TransientComputerActionFactory. Note that the transient actions are never updated, so to make actions appear to be added dynammically you need to always add them and control their display, rather than conditionally add them.  This is the same behaviour as for TransientViewActionFactory but not quite the same behaviour as TransientProjectActionFactory