Update to 3.7

[Nick]

I have updated vbulletin to 3.7, there are PLENTY of new features some of which are listed below.

• Inline spam management & prevention
• Thread tagging
• Search cloud / tag cloud
• Thread prefixes
• Reciprocal friendships between users
• Public visitor messaging on profile pages with 'conversation' feature
• User picture galleries with user comment facility
• User-created social groups with invite only and moderated membership options
• Extended member profile pages
• Customizable member profile pages with admin-controlled styling abilities
• Inline editing of custom user profile fields
• Lightbox viewer for attached images
• Viewable and comparable history maintained for post edits
• Extended re-authentication for inline moderation actions
• Notices system for navigation bar
• Multiple human-verification systems including reCAPTCHA, image verification and Q/A
• User change history
• Social bookmarking integration