Clean packet registration, misc compile things

src/main/java/appeng/entity/AEBaseEntityItem.java

@@ -22,6 +22,7 @@ package appeng.entity;
 import java.util.List;
 
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityType;
 import net.minecraft.entity.item.ItemEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.AxisAlignedBB;
@@ -31,6 +32,11 @@ import net.minecraft.world.World;
 public abstract class AEBaseEntityItem extends ItemEntity
 {
 
+	public AEBaseEntityItem( final World world )
+	{
+		super( EntityType.ITEM, world );
+	}
+
 	public AEBaseEntityItem( final World world, final double x, final double y, final double z, final ItemStack stack )
 	{
 		super( world, x, y, z, stack );

src/main/java/appeng/entity/EntityChargedQuartz.java

@@ -36,6 +36,7 @@ import appeng.api.AEApi;
 import appeng.api.definitions.IMaterials;
 import appeng.client.EffectType;
 import appeng.core.AEConfig;
+import appeng.core.Api;
 import appeng.core.AppEng;
 import appeng.core.features.AEFeature;
 import appeng.util.Platform;

src/main/java/appeng/entity/EntitySingularity.java

@@ -33,6 +33,7 @@ import net.minecraft.world.World;
 import appeng.api.AEApi;
 import appeng.api.definitions.IMaterials;
 import appeng.core.AEConfig;
+import appeng.core.Api;
 import appeng.core.features.AEFeature;
 import appeng.helpers.Reflected;
 import appeng.util.Platform;
@@ -110,7 +111,7 @@ public final class EntitySingularity extends AEBaseEntityItem
 
 								materials.qESingularity().maybeStack( 2 ).ifPresent( singularityStack ->
 								{
-									final CompoundNBT cmp = Platform.openNbtData( singularityStack );
+									final CompoundNBT cmp = singularityStack.getOrCreateTag();
 									cmp.putLong( "freq", ( new Date() ).getTime() * 100 + ( randTickSeed ) % 100 );
 									randTickSeed++;
 									item.grow( -1 );

src/main/java/appeng/entity/EntityTinyTNTPrimed.java

@@ -44,6 +44,7 @@ import net.minecraftforge.fml.common.registry.IEntityAdditionalSpawnData;
 
 import appeng.api.AEApi;
 import appeng.core.AEConfig;
+import appeng.core.Api;
 import appeng.core.AppEng;
 import appeng.core.features.AEFeature;
 import appeng.core.sync.packets.PacketMockExplosion;