tower-config: small bugfixes, pass all tests
tower-config: now supports extending with arguments (TOpts)
tower-config: simpler api by default
tower-config: bugfix merging args, optional debugging
makefiles: use variable to point to ivory repo with sensible default
add top-level makefile and travis config
update readme and license
tower: add callbackV convenience function to Handler api
statemachine: export unScopedIvory
Merge remote-tracking branch 'origin/tower-9' into tower-aadl
tower-aadl: tweak build, integrate with top-level build.