xF1 Unmaintained [TH] Rebuild External Avatars 1.0.0a

What does this add-on do?
When rebuilding the user cache, this add-on forces a search for profile pictures from linked external sites for existing users who do not have any avatar.

The user cache can be rebuilt by going to:
Admin CP -> Tools -> Rebuild Caches -> Rebuild Users

This add-on supports the following external sites:

• Facebook
• Twitter (requires XenForo 1.3)
• SoundCloud (requires External Accounts Extended)
• Tumblr (requires External Accounts Extended)
• VK (requires External Accounts Extended)
• Odnoklassniki (requires External Accounts Extended)
• GitHub (requires External Accounts Extended)
• LinkedIn (requires External Accounts Extended)
• Twitch (requires External Accounts Extended)
• Battle.net (requires External Accounts Extended)
• Windows Live (requires External Accounts Extended)

Google is not currently supported.

Please note that future changes to how any of the above add-ons/external sites works may affect the ability of this add-on to work.