Rework custom recipe system (#3232)

src/main/java/appeng/recipes/IAERecipeFactory.java

@@ -0,0 +1,13 @@
+
+package appeng.recipes;
+
+
+import com.google.gson.JsonObject;
+
+import net.minecraftforge.common.crafting.JsonContext;
+
+
+public interface IAERecipeFactory
+{
+	void register( JsonObject json, JsonContext ctx );
+}