-added some alltoall calls (pairwise checked ok, bruck testing)
-changes in use of data hung of communicator
-making sendrecv call a true inline function
-more use ompi_ddt routines
This commit was SVN r7337.
Changed component so choice of decision functions controlled by mca params
(for now fixed decision functions (if statements) default)
started fixes for the various bcasts
This commit was SVN r7117.
