Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Import dtracetoolkit into cddl/contrib
Add the remaining scripts from the DTraceToolkit, version 0.99, to thevendor tree.http://www.brendangregg.com/dtrace.html#DTraceToolkit