[AndyB] Duplicate account check 3.0

Checks for duplicate user accounts.
If two or more valid users have logged into your forum with the same IP and User Agent, they will be flagged as duplicate and the admin will receive an email.

(Example of Options page)

Features:

• Checks for duplicate IP and User Agent.
• Checks for user_state of 'valid'.
• All phrases start with duplicateaccountcheck_ for your convenience.

Installation:

1. Download Andy-DuplicateAccountCheck-1.4.zip and unzip it.
2. Copy the src/addons/Andy/DuplicateAccountCheck directory to your server.
3. From the Admin Control Panel Install the add-on.

Database changes:
This add-on will add a table called 'andy_duplicate_account_check' to your database.