Per RFC:  OMPI_INSTALL_BINARIES -> OPAL_INSTALL_BINARIES
Datatype with count of zero do not generate traffic in the type map, nor
have any impact on the type signature.

Fixes #4597.
cmr=v1.8.2:reviewer=ompi-rm1.8
Per RFC:  OMPI_ENSURE_CONTAINS_OPTFLAGS  -> OPAL_ENSURE_CONTAINS_OPTFLAGS