Major structure changes

* Now using complete custom player structure to store players.

* Correcting a bug where the first base created wasn't an HQ

* Correcting a bug where the price to create a base wasn't the good one.

* You can now set Barbarians spawn as random or not when a player die.

* Now properly check if scoreboard.dat needs to be there, allow plugin reload.

* Now completely using the new Messages function.

* Now using ids to identify teams and bases, names are not used anymore.