Implement non-linear turn mechanism, fixes #2
Usage message for turn command
Validation for turn completion
Add turn command to plugin.yml
Don't attempt to show the turn options to the next player if there is
none
Show information on turn rather than bringing up menu automatically
Show information on first turn rather than bringing up menu
automatically
Reset the turn each turn
Validate for null fights
Assign new turn on creation of fight
Create new turn before showing information
Tell players who's turn it is after checking whether there is only one
player left
Say whether attacks hit
Add some missing spaces, improving readability
Remove irrelevant message on first turn
Prevent ConcurrentModificationExceptions occuring on turns
Merge branch 'nonlinear'