Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/imagify/inc/functions/media.php

@@ -0,0 +1,22 @@
+<?php
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Trigger a hook that should happen before a media is deleted.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ *
+ * @param ProcessInterface $process An optimization process.
+ */
+function imagify_trigger_delete_media_hook( $process ) {
+	/**
+	 * Triggered bifore a media is deleted.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param ProcessInterface $process An optimization process.
+	 */
+	do_action( 'imagify_delete_media', $process );
+}