Abstract Data storage method for future implementations. Thanks to Ryan from Reactive MC

Also included:
-Heavily optimized loading process
-Optimizations for various commands.

src/main/java/com/massivecraft/factions/cmd/CmdSaveAll.java

@@ -27,9 +27,9 @@ public class CmdSaveAll extends FCommand {
 
     @Override
     public void perform() {
-        FPlayers.i.saveToDisc();
-        Factions.i.saveToDisc();
-        Board.save();
+        FPlayers.getInstance().forceSave();
+        Factions.getInstance().forceSave();
+        Board.getInstance().forceSave();
         Conf.save();
         msg("<i>Factions saved to disk!");
     }