Use memory pool of thorium

This is to avoid allocate a separate memory for pami transport then have
to copy memory from pami transport to thorium.

Signed-off-by: Huy Bui <huybui@anl.gov>
Merge branch 'master' of https://github.com/sebhtml/biosal
New pami transport to use thorium's memory

This new pami transport uses thorium's memory management to avoid copy
from its own memory to thorium memory. The performance is the same as
MPI nonblocking transport.

Signed-off-by: Huy Bui <huybui@anl.gov>
Minor edit

Removed some commented code that is not used.
Another minor edit to remove commented code
Merge remote branch 'huy/master' into energy