Merge r14340,14346-14348,14352,14354-14355 from the BUF_REMOVAL branch to
trunk.
Convert callgrind to use VG_(fprintf).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14713 a5019735-40e9-0310-863c-91ae7b9d1cf9