Improved exceptions

Many exceptions got an improvement due to changed class or description or details it is providing.
Is not complete, needs to be done in patches in the regions, where it is needed, since some are just
swallowed.

Removed total usage of pure RuntimeExceptions to 0.

src/main/java/appeng/util/Platform.java

@@ -21,6 +21,7 @@ package appeng.util;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
+import java.security.InvalidParameterException;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -31,13 +32,11 @@ import java.util.List;
 import java.util.Random;
 import java.util.Set;
 import java.util.WeakHashMap;
-
-import javax.annotation.Nullable;
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.item.EntityItem;
 import net.minecraft.entity.player.EntityPlayer;
@@ -951,7 +950,7 @@ public class Platform
 	public static EntityPlayer getPlayer( WorldServer w )
 	{
 		if( w == null )
-			throw new NullPointerException();
+			throw new InvalidParameterException( "World is null." );
 
 		EntityPlayer wrp = FAKE_PLAYERS.get( w );
 		if( wrp != null )
@@ -1578,11 +1577,6 @@ public class Platform
 		return !gs.hasPermission( playerID, SecurityPermissions.BUILD );
 	}
 
-	public static boolean isDrawing( Tessellator tess )
-	{
-		return false;
-	}
-
 	public static void configurePlayer( EntityPlayer player, ForgeDirection side, TileEntity tile )
 	{
 		float pitch = 0.0f;