NPE fix

src/main/java/com/gmail/nossr50/config/Config.java

@@ -5,7 +5,7 @@ import com.gmail.nossr50.datatypes.HUDType;
 
 public class Config extends ConfigLoader{
     
-    public static int xpGainMultiplier = getExperienceGainsGlobalMultiplier();
+    public static int xpGainMultiplier = 1;
 
     /*
      * GENERAL SETTINGS
@@ -319,6 +319,7 @@ public class Config extends ConfigLoader{
     public Config(mcMMO plugin) {
         super(plugin, "config.yml");
         config = plugin.getConfig();
+        xpGainMultiplier = getExperienceGainsGlobalMultiplier();
     }
 
     @Override

src/main/java/com/gmail/nossr50/datatypes/popups/PopupMMO.java

@@ -5,7 +5,6 @@ import org.bukkit.entity.Player;
 import org.getspout.spoutapi.gui.GenericLabel;
 import org.getspout.spoutapi.gui.GenericPopup;
 import com.gmail.nossr50.mcMMO;
-import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.datatypes.buttons.ButtonEscape;
 import com.gmail.nossr50.datatypes.buttons.ButtonHUDStyle;