Merge the contents of the HGDEV2 branch into trunk:
* performance and scalability improvements
* show locks held by both threads in a race
* show all 4 locks involved in a lock order violation
* better delimited error messages



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11824 a5019735-40e9-0310-863c-91ae7b9d1cf9
10 files changed