Overhaul message reach configuration options - 1.2.0

This release adds new features to the messagereach option, it now is able to target players by range from the center of the lines area.
The new options are:
all - Target all players
area - Target players in the area (Not recommended for finish lines, will only announce results to players who have finished)
world - Target all players in the lines world
disabled - Disable announcement messages (Countdown, go, player finishes, results)
You can also enter a number, this will then send the messages to all players that are within this distance of the center of the lines area.