Spec: Add possible protocol extension with INITIATE_MESSAGE.
Spec: Add packet magic values.
Spec: minor edits.
Spec: fix bullets.
Move PDF to libarsenal docs.
Silly: get rid of typedefs.
Documentation text cleanup SSU->SSS.
Fix include paths.
Add async.timer.abstime_type
Documentation reformat.
Add boost.fusion based kex_message structure.
more sample code
Move templatey stuff to arsenal.
Split namespace lines.