Bring over fixes for CMake testing from the revise_chunks branch
Tested on:
MacOSX/64 10.11.5 (amazon) w/serial, parallel & production
(h5committest forthcoming)
Bring h5format_convert tool from revise_chunks branch to trunk.
Tested on:
MacoSX/64 10.11.4 (amazon) w/serial, parallel & production
(h5committest forthcoming)