[implements #1456] accessors can now be made final via @Accessors.

test/transform/resource/before/AccessorsCascade.java

@@ -0,0 +1,23 @@
+//CONF: lombok.Accessors.prefix += f
+
+@lombok.experimental.Accessors(chain=true)
+class AccessorsOuter {
+	@lombok.Setter
+	private String fTest;
+	
+	@lombok.experimental.Accessors(prefix="z")
+	@lombok.Setter
+	private String zTest2;
+	
+	class AccessorsInner1 {
+		@lombok.experimental.Accessors(prefix="z")
+		@lombok.Setter
+		private String zTest3;
+	}
+	
+	@lombok.experimental.Accessors(chain=false)
+	class AccessorsInner2 {
+		@lombok.Setter
+		private String fTest4;
+	}
+}