Man, I used to work for "XML Technology Center" and now I don't even remember what a valid element name was...

Conflicts:
	core/src/main/resources/hudson/security/GlobalMatrixAuthorizationStrategy/config.jelly

[FIXED JENKINS-9397] Added convenience method to hudson.util.io.Archiver to get the Unix mode (if appropriate) for a file, and modified TarArchiver and ZipArchiver to utilise this to get and set the Unix mode for files whent they're being archived.

Conflicts:
	changelog.html
	pom.xml
	test/src/main/java/org/jvnet/hudson/test/HudsonTestCase.java

the UI.

Also, for the core build, require that all the dependency licenses are
available.

so don't preprend ${rootURL} .. thx alexlehm

apply to child configurations as well.

[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.