Drop a lot of crap from the unused/ directory. Old files can be fetched
from git if needed.
mscash2: Drop no-op HAVE_OPENSSL lines.
Merge pull request #185 from claudioandre/bleeding-jumbo

Some missed code during the merge.
OpenCL bugfix for legacy parsing.
Move --platform to "hidden" options with a note it's deprecated.
options.c: Print formats last.
Print the result transfer speed.