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

code from pantheon

* code from pantheon

wp/wp-content/plugins/imagify/inc/deprecated/classes/class-imagify-abstract-db-deprecated.php

@@ -0,0 +1,48 @@
+<?php
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Class for deprecated methods from Imagify_Abstract_DB.
+ *
+ * @since  1.7
+ * @author Grégory Viguier
+ * @deprecated
+ */
+class Imagify_Abstract_DB_Deprecated {
+
+	/**
+	 * Check if the given table exists.
+	 *
+	 * @since  1.5 In Imagify_Abstract_DB.
+	 * @since  1.7 Deprecated.
+	 * @access public
+	 * @deprecated
+	 *
+	 * @param  string $table The table name.
+	 * @return bool          True if the table name exists.
+	 */
+	public function table_exists( $table ) {
+		_deprecated_function( get_class( $this ) . '::' . __FUNCTION__ . '()', '1.7.0', 'Imagify_DB::table_exists( $table )' );
+
+		return Imagify_DB::table_exists( $table );
+	}
+
+	/**
+	 * Main Instance.
+	 * Ensures only one instance of class is loaded or can be loaded.
+	 * Well, actually it ensures nothing since it's not a full singleton pattern.
+	 *
+	 * @since  1.5 In Imagify_NGG_DB.
+	 * @since  1.7 Deprecated.
+	 * @access public
+	 * @author Jonathan Buttigieg
+	 * @deprecated
+	 *
+	 * @return object Main instance.
+	 */
+	public static function instance() {
+		_deprecated_function( 'Imagify_Abstract_DB::instance()', '1.6.5', 'Imagify_Abstract_DB::get_instance()' );
+
+		return self::get_instance();
+	}
+}