gitignore: *.aadl
tower-aadl: code cleanups
tower-aadl: remove (unused) monad for now.
tower-aadl: properly construct callback names.
tower-aadl: remove unused config opt.
tower: export standard names for "tower_user", "tower_gen" packages (and loop sym).
tower-aadl: callbacks with syms, .c files matching code backends.
Merge remote-tracking branch 'origin/hardcode-names' into master