Merge revisions 14220, 14221, and 15629 from BUF_REMOVAL branch to trunk.
Couple of format fixes and FIXMEs for VG_(percentify).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14630 a5019735-40e9-0310-863c-91ae7b9d1cf9