Bug fix. `refunds,partial_refunds,reversals`. See: websharks/s2member#345
Merge pull request #346 from websharks/feature/345

Bug fix. `refunds,partial_refunds,reversals`. See: websharks/s2member#34...
Add translation support for opt-in label. See: websharks/s2member#350
Default to `all` Alt. Views. See: https://github.com/websharks/s2member/issues/344
Adding `icon-128x128.png` to GitHub repo.
Handle refunds in CB IPN v6. See: websharks/s2member#256
Marking TODO items in `list-servers.inc.php`. See: websharks/s2member#303
Adding `mailchimp.inc.php`. See: websharks/s2member#303
Adding `aweber.inc.php`. See: websharks/s2member#303
Adding `getresponse.inc.php`. See: websharks/s2member#303
Setup arg defaults. See: websharks/s2member#303
Setup arg defaults. See: websharks/s2member#303
Base class w/ arg validator. See: websharks/s2member#303
Refactor MailChimp. See: websharks/s2member#303
Refactor MailChimp. See: websharks/s2member#303
Refactor GetResponse. See: websharks/s2member#303
Refactor GetResponse. See: websharks/s2member#303
Refactor GetResponse. See: websharks/s2member#303
Refactor AWeber. See: websharks/s2member#303
Refactor AWeber. See: websharks/s2member#303