Update OpenGraph data

Author: codeguy

_layouts/default.html

@@ -5,7 +5,9 @@
         <title>{% if page.title %}{{ page.title }} - {% endif %}PHP: The Right Way</title>
         <meta name="description" content="{{ page.description }}"/>
         <meta name="robots" content="index,follow,archive"/>
-        <meta property="og:image" content="http://www.phptherightway.com/images/og-logo.png"/>
+        <meta property="og:image" content="http://www.phptherightway.com/images/og-image.png"/>
+        <meta property="og:image:width" content="1024"/>
+        <meta property="og:image:width" content="640"/>
         <meta property="og:title" content="PHP: The Right Way"/>
         <meta property="og:description" content="An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative PHP tutorials around the Web"/>
         <meta property="og:url" content="http://www.phptherightway.com"/>

_layouts/page.html

@@ -5,7 +5,9 @@
         <title>{% if page.title %}{{ page.title }} - {% endif %}PHP: The Right Way</title>
         <meta name="description" content="{{ page.description }}"/>
         <meta name="robots" content="index,follow,archive"/>
-        <meta property="og:image" content="http://www.phptherightway.com/images/og-logo.png"/>
+        <meta property="og:image" content="http://www.phptherightway.com/images/og-image.png"/>
+        <meta property="og:image:width" content="1024"/>
+        <meta property="og:image:width" content="640"/>
         <meta property="og:title" content="PHP: The Right Way"/>
         <meta property="og:description" content="An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative PHP tutorials around the Web"/>
         <meta property="og:url" content="http://www.phptherightway.com"/>