OOB UD: opal_ignore removed from oob ud component: component is compilable. Added support of new RML API, support of opal_buffer as input data. Added usage of routed component.
Enable CUDA support on Mac OS X.
coll/tuned: fix allgather bruck algorithm
Based on https://github.com/open-mpi/ompi/pull/262, we should use
true_lb while computing the lower bound.
Merge pull request #280 from nkogteva/oob_ud

OOB UD: opal_ignore removed from oob ud component: component is compilab...
Remove unused variable.

Reported by @adrianreber, this patch removes an unused variable in the
PSM MTL, silencing a compiler warning.