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

older plugins.

LDAP group names are now available as-is for the use in authorization. No upper casing / no 'ROLE_' prefix.

    A job without a firstBuild is not causing an NPE anymore.