smtp_client: rename self -> client (descriptive)
Merge pull request #727 from msimerson/smtp_client4

smtp_client: rename self -> client (descriptive)
rcpt routes: working with flat files
rcpt routes: added redis lookups
rcpt routes: added results storage
routes: added config file and docs
docs: better handle redis 'not available' error
routes: skip redis tests when redis server unavailable
routes docs: added AUTHOR, more benchmark details
routes: splitting per email-addr is less ugly now
routes: added NOTE about setting always_split=true
It's outbound.ini not outbound.js
rcpt routes: add warning if no address in hmail