Spam Guard 0.4.7
* Adds support for Contact Form 1.3 by P&T
* Removes the bridge package that was loading Akismet
* Removes the plugin.json file that was loading plugin properties
* Renames license, templates (.html), and the messaging service
* Updates codebase to make it as simple and clean as possible
* Updates settings UI with new icons and a new setting for Contact Form 1.3
* Fixes fatal error caused by missing class constant in SpamGuardService.php
* @TODO: Remove built in form functionality and prefer Contact Form 1.3