Bring r17244:17262 from trunk to revise_chunks branch Tested on: Mac OS X/32 10.5.7 (amazon) w/debug & production FreeBSD/32 6.3 (duty) w/debug h5committest not needed on this branch
tested: linux
Moved all h5diff testfiles from /tools/testfiles to tools/h5diff/testfiles Tested: linux, solaris