New plugin-compatibility.php file

Fixed issue with Mandrill line-breaks messing up Give emails

#458

give.php

@@ -164,7 +164,7 @@ public static function instance() {
 				self::$instance->html          = new Give_HTML_Elements();
 				self::$instance->emails        = new Give_Emails();
 				self::$instance->email_tags    = new Give_Email_Template_Tags();
-				//				self::$instance->donators_gravatars = new Give_Donators_Gravatars();
+				//self::$instance->donators_gravatars = new Give_Donators_Gravatars();
 				self::$instance->customers       = new Give_DB_Customers();
 				self::$instance->template_loader = new Give_Template_Loader();
 
@@ -285,6 +285,7 @@ private function includes() {
 			require_once GIVE_PLUGIN_DIR . 'includes/process-purchase.php';
 			require_once GIVE_PLUGIN_DIR . 'includes/login-register.php';
 			require_once GIVE_PLUGIN_DIR . 'includes/user-functions.php';
+			require_once GIVE_PLUGIN_DIR . 'includes/plugin-compatibility.php';
 
 			require_once GIVE_PLUGIN_DIR . 'includes/payments/functions.php';
 			require_once GIVE_PLUGIN_DIR . 'includes/payments/actions.php';

includes/plugin-compatibility.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * Plugin Compatibility
+ *
+ * Functions for compatibility with other plugins.
+ *
+ * @package     Give
+ * @subpackage  Functions/Compatibility
+ * @copyright   Copyright (c) 2016, WordImpress
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       1.0
+ */
+
+
+/**
+ * Disables the mandrill_nl2br filter while sending Give emails
+ *
+ * @since 1.4
+ * @return void
+ */
+function give_disable_mandrill_nl2br() {
+	add_filter( 'mandrill_nl2br', '__return_false' );
+}
+add_action( 'give_email_send_before', 'give_disable_mandrill_nl2br');