Improvements to attachment plugin
Remove proprietary header
Remove duplicate filename rejection
Fix helo.checks plugin
Merge with upstream
Merge pull request #623 from smfreegard/master

Improvements to attachment plugin
Fix helo.checks again.. add further test
Remove comment
Merge pull request #646 from smfreegard/master

Fix test failures
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
outbound: added 'always_split' option
outbound: take 2
routes: splitting per email-addr is less ugly now