Quick rendering is back
Mergeback from Persistence (v1.2.0) branch: Tracker
Mergeback from Persistence (v1.2.0) branch: Don't betray vanished players
Mergeback from Persistence (v1.2.0) branch: Letters can be deleted by dropping or burning them in furnaces
Mergeback from Persistence (v1.2.0) branch: Config strings can be empty without empty lines being output to player in game
Colour codes in letters - http://dev.bukkit.org/server-mods/courier/tickets/50-color-codes-in-letter/