Add deprecated fields back to Image

Author: tterrag1098

src/main/java/com/creatubbles/api/core/Image.java

@@ -1,9 +1,24 @@
 package com.creatubbles.api.core;
 
+import java.util.List;
 import java.util.Map;
 
 public class Image {
-
+    /**
+     * @see #links
+     */
+    @Deprecated
+    public String url;
+    
+    @Deprecated
+    public List<Creator> creators;
+    
+    /**
+     * @see #links
+     */
+    @Deprecated
+    public String store_dir;
+    
     public Map<ImageType, String> links;
 
     public enum ImageType {