Fix plugin update causing loss of setting values.

* PLUGINS-1615 - Improve Blacklist Settings Layout.

* PLUGINS-1617 - Introducing HTML5 Geolocation (Rules).

* PLUGINS-1598 - Fix check for customer's first purchase rule.

* PLUGINS-1614 - Fix issue in formatting after whitelisting an email using the 'Unblock' button.

* PLUGINS-1593 - Improve settings layout.

* PLUGINS-1590 - New Alerts tab for email notification.

* PLUGINS-1595 - Update Settings Rules layout.

PLUGINS-1657 - Update minFraud links.

* PLUGINS-1582 - Add cancel fraud queue check and reschedule.

* PLUGINS-1279 - Fix JavaScript files still being loaded even the reCaptcha option is disabled.

* PLUGINS-934 - Exception on subscription orders.

* PLUGINS-1116 - Preserve saved settings on plugin deactivation and update.

* PLUGINS-1515 - Advise customers GeoIP Location is using Maxmind.

PLUGINS-1559 - Emogrifier package reference removal.

* PLUGINS-1283 - Fix issue Maxmind are getting twice request per order.

* PLUGINS-1165 - Order number restriction option during certain timeframe.

* PLUGINS-1492 - Need Support and leave feedback options.

* PLUGINS-1436 - Disable fraud checking whitelisted emails.

PLUGINS-1362 - Proxycheck.io enhancement to track usage.

PLUGINS-1255 - Correct settings for proxy/vpn, multiple attempts and mismatch address.

* PLUGINS-1121 - Customer IP address did not match given billing country not working correctly.

* PLUGINS-1203 - Support better minFraud Score Outputs.

* PLUGINS-1181 - Correct settings not working.

* PLUGINS-1188 - Minor code changes relating to paypal and Cron.