thorium: fetch reply message from message cache

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
thorium: use prefix for actor flags

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
thorium_actor: move flags in header

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
thorium: move actor cache functions in cache/

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
thorium: move cache actions in adapter

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
scripts: verify action bases too

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
message_cache: rename last_tag to saved_reply_message_cache_tag

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
tracing: move tracepoints in the root

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
performance: use wildcard in performance Makefile

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
thorium_actor: use wrappers for message cache

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
cache: add some comments to document the cache subsystem

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