! Might as well make the building of board indexes hookable.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
! Now, let's add Gary's new icons in, let's make a sprite out of them, and while we're at it, let's make it slightly more encouraging for guests by showing guests the 'new items' behaviour even if in reality it isn't.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
! Add the tooltip for redirect boards.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
! Remove the legend from the board index, because we don't really need it. Note that the new_redirect.png image was not removed because it is in use in the admin panel at this time.

Signed-off-by: Peter Spicer <sleeping@myperch.org>