#59 - Basic password reset functionality.

Very basic password reset functionality, I'm sure it can be cleaned but it works.

Basic jist is:

* Creates a file called verify.php which contains `$verification_code = "<CODE>";`
* Checks if `verify` exists in `$_GET`, and if it does, compares the two.
* If it's correct, logs the user in to the account.

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Improvement could be made such as prompting them to enter a new password, but that would require modifying `submit-settings.php` in order to allow for people to set specific settings rather than re-doing the entire file.

Feedback appreciated.