store rua with published_policy (for our own use)
added Base::inet_* methods for IP4/6 conversion

to and from integers
added SMTP dispatch method to Report::Send
another IPv4/6 handling tweak
added bin/dmarc_report, which adds ...

 a. retrieve reports from DB
 b. aggregate them
 c. assemble as XML
 d. send via email
.gitignore: added default DB name
delete reports from Store after email success
dist.ini: added Email::MIME
PurePerl: fixed a return where disposition wasn't

getting set
dist.ini: added PruneFiles section
DNS.pm: moved settings into config file
mail-dmarc.ini: improved notes
simplify get_dom_from_header
v0.20130514

 - moved DNS settings into config file
 - fixed a case where disposition was not set
 - added bin/dmarc_report
   - sends email reports with Email::MIME & Net::SMTPS
 - deletes reports after successful delivery
 - required Socket 2 (correct IPv6 handling)
 - several SQL schema changes
 - has_valid_reporting_uri does validation now
t/03.Base: if IPv6 address doesn't survive the

inet_pton ntop round trip, see if a zero was inserted between the compressed colons