Add some default options to smtp conf
bye bye immutant init ns
Remove old crap from core ns
Remove immutant messaging refs

Keep api ns functions stubbed out for the moment just so we can get a
repl up
Get rid of remaining errors preventing getting a repl up
fix typo
Remove more immutant cruft
Add environ plugin
Downgrade ragtime

It has a problem with postgres starting in 0.3.7, issue #34
Fix syntax errors in migrations