Updated readme with GitHub proper link, added header data on the main…

… plugin file so it can be updated via git-updater, minor code fixes

readme.txt

@@ -16,7 +16,7 @@ WP-Optimize is an extensive WordPress database cleanup and optimization tool. It
 
 Please show your support for this plugin by giving it [a rating](http://wordpress.org/support/view/plugin-reviews/fields-framework?rate=5#postform)!
 
-Now hosted at [Github](http://ruhanirabin.github.io/WP-Optimize) - More updated releases can be found there.
+Now hosted at [GitHub](https://github.com/ruhanirabin/WP-Optimize). More updated releases and collaboration can be found over there.
 
 **MAJOR FEATURES:**
 
@@ -150,6 +150,7 @@ Of course there is. This is a very primary version of the plugin. So I would rec
 = 1.7.6 =
 * Now hosted at https://github.com/ruhanirabin/WP-Optimize
 * Fix some code problems
+* git-updater compatible header
 
 = 1.7.4 =
 * More Translation compatibility.

wp-optimize.php

@@ -8,7 +8,8 @@
 Author URI: https://github.com/ruhanirabin/WP-Optimize
 Text Domain: wp-optimize
 Domain Path: /languages
-
+GitHub Plugin URI: https://github.com/ruhanirabin/wp-optimize
+GitHub Branch: master
     Copyright 2009-2014  Ruhani Rabin  (email : get@ruhanirabin.com)
 
     This program is free software; you can redistribute it and/or modify
@@ -26,16 +27,18 @@
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+
 # ---------------------------------------- #
 # Find and replace version info in all files
 # ---------------------------------------- #
 
 # ---------------------------------- #
 # prevent file from being accessed directly
 # ---------------------------------- #
-if ('wp-optimize.php' == basename($_SERVER['SCRIPT_FILENAME']))
-	die ('Please do not access this file directly. Thanks!');
-
+if ( ! defined( 'WPINC' ) ) {
+	die;
+}	
+
 global $current_user;
 
 if (! defined('WPO_VERSION'))