Add /f status command, closes #70
Properly persist scoreboard toggles. Fixes issue #61
Reload the config.yml on /f reload.
Be friendly to other plugins that show scoreboards. Adds #74.
Add a scoreboard that can be given to people by default when they join as specified in issue #79.

This was hacked together as I wanted more functionality. Should probably make this prettier and better later.
Toggling of scoreboards now affects the default board.