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

code from pantheon

* code from pantheon

wp/wp-content/plugins/imagify/classes/Webp/Apache.php

@@ -0,0 +1,38 @@
+<?php
+namespace Imagify\Webp;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Add and remove contents to the .htaccess file to display WebP images on the site.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class Apache extends \Imagify\WriteFile\AbstractApacheDirConfFile {
+
+	/**
+	 * Name of the tag used as block delemiter.
+	 *
+	 * @var    string
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 */
+	const TAG_NAME = 'Imagify: webp file type';
+
+	/**
+	 * Get unfiltered new contents to write into the file.
+	 *
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 *
+	 * @return string
+	 */
+	protected function get_raw_new_contents() {
+		return trim( '
+<IfModule mod_mime.c>
+	AddType image/webp .webp
+</IfModule>' );
+	}
+}