Merge pull request #461 from msimerson/msimerson-note_only

Merged.
Add new -o option to bin/haraka
Bump version
Update data.headers.js

Removed quotes from 'undefined' in ll. 17/37 to prevent error for non-existing config file.
return after next() in the whitelist checks
spf: store results in notes

store SPF helo checks in connection.notes.spf
store SPF mfrom in connection.transaction.notes.spf

refactored. consolidated duplicate switch/case into one function
consolidated duplicate header storing into a function
consolidated duplicate logging codes into a function
dmarc: new DMARC plugin

uses dmarc_httpd from Mail::DMARC for processing and reporting
SPF: only store SPF mailfrom in transaction note

(removed fallback connection note storage)
connection.js: save A-R header after data_post

so DKIM and DMARC plugins get a chance to update it
spf: store SPF results in ResultStore (was notes)
dmarc: save results in 'results' (was in a note)