Spot those boosters!
Now players are set glowing (the white outline) during the cooldown period after they click to boost themselves or others. Now players can find their opponents more easily, but only momentarily.
Admin can use the command ` /boost toggleglow` to turn this ON or OFF.

GUI join button place holders
The join button for each game in the GUI can have new place holders in the item name or lore.

• %players% - players queuing in the game
• %min% - minimum number of players required for the game to start
• %max% - maximum number of players allowed in the game

New PAPI place holders for game properties
I have added new place holders registered with PlaceholderAPI. These show game properties. In each of these, <game> should be replaced by a game (map or arena) name.

• %boost_game_<game>_players% - total players including playing, spectating, or queuing.
• %boost_game_<game>_playing% - total players still playing in a running game. Does not include spectators.
• %boost_game_<game>_min% - minimum number of players required for the game to start
• %boost_game_<game>_max% - maximum number of players allowed in the game
• %boost_game_<game>_status% - returns the game status: QUEUING, RUNNING or STOPPED.