Fix game ending instantly when minutes set off
Stop unwanted deathmatch score notifications bug

- foo scores remaining should not be displayed if player or team score
  is < 0.
- Also fixes some score formatting mistakes
Use team name instead of 'team' in chat cmd
Access player.bukkit as a property

- Must recalculate player.bukkit as the object changes when a player
  reconnects. This will potentially fix a lot of bugs, eg.
  the team chat command not working on reconnect.
Use .title()-ised team names in plugin messages
Don't show empty teams in team list during game

- And display team list in sorted order.
0.1.2