use fancy new tectonic stuff for biome stage loading

common/src/main/java/com/dfsek/terra/biome/pipeline/stages/ExpanderStage.java

@@ -19,4 +19,8 @@ public class ExpanderStage implements Stage {
     public BiomeHolder apply(BiomeHolder in) {
         return in.expand(expander);
     }
+
+    public enum Type {
+        FRACTAL
+    }
 }

common/src/main/java/com/dfsek/terra/biome/pipeline/stages/MutatorStage.java

@@ -20,4 +20,8 @@ public class MutatorStage implements Stage {
         in.mutate(mutator);
         return in;
     }
+
+    public enum Type {
+        REPLACE, REPLACE_LIST, BORDER, BORDER_LIST, SMOOTH
+    }
 }