handshake messages are private to the implementation

Link: https://github.com/GeneAssembly/biosal/issues/453
Reported-by: Huy Bui <huybui@anl.gov>
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
new parameter -minimum-buffer-size for performance app

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
a memory block with B bytes can allocate B bytes

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
track externally-allocated memory in memory pool

Link: https://github.com/GeneAssembly/biosal/issues/639
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
always use symmetric actors

Link: https://github.com/GeneAssembly/biosal/issues/638
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
remove tag argument from thorium_message_init_with_nodes

Link: https://github.com/GeneAssembly/biosal/issues/633
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
don't show problems with the PAMI code since it is in development

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
remove trailing spaces

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
change thorium_message_get_worker to thorium_message_worker

Link: https://github.com/GeneAssembly/biosal/issues/640
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>