reduce the name of actor helpers

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
fix memory leak in dispatcher

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
move actor helpers to add routes inside actor helpers

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
rename vector helpers to simply vector_*

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

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
use better name for helpers

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