WPP 3.1.2 Beta 1

This release contains the following changes:

• Adds check for jQuery.
• Fixes invalid parameter in htmlspecialchars().
• Switches AJAX update to POST method.
• Refactored singular page check.
• Removes href attribute from link when popular post is viewed.
• Removes unnecesary ORDER BY clause in views/comments subquery.
• Fixes Javascript console not working under IE8 (thanks, @raphaelsaunier!).
• Fixes WPML compatibility bug storing post IDs as 0.
• Removes wpp-upload.js since it was no longer in use.
• Fixes undefined default thumbnail image (thanks, Lea Cohen!).
• Fixes rating parameter returning false value.