Remove incorrect sentence from language string

The page doesn't actually redirect the user. This area could be improved.
Remove <script> for popup_menu.js.

popup_menu.js no longer exists in 1.8.
Update JS cache breakers
Extra number formatting for attachment count
Initial focus upon opening modal
Remove index_loginform template.

This has been replaced with a modal.
Remove stray <br />

This was pushing the registration form down.
Add table header to latest news table.