pass random to structure gen

common/src/main/java/com/dfsek/terra/registry/StructureRegistry.java

@@ -3,4 +3,9 @@ package com.dfsek.terra.registry;
 import com.dfsek.terra.generation.items.TerraStructure;
 
 public class StructureRegistry extends TerraRegistry<TerraStructure> {
+    @Override
+    public boolean add(String name, TerraStructure value) {
+        System.out.println("added structure " + name + " to registry");
+        return super.add(name, value);
+    }
 }

common/src/main/java/com/dfsek/terra/registry/TreeRegistry.java

@@ -70,7 +70,6 @@ public class TreeRegistry extends TerraRegistry<Tree> {
 
     @Override
     public boolean add(String name, Tree value) {
-        System.out.println("Added " + name);
         return super.add(name, value);
     }