v2.3.0: updated version info, removed support for saves prior to v1.4.3

SPD-classes/src/main/java/com/watabou/utils/Bundle.java

@@ -521,6 +521,7 @@ public class Bundle {
 			try {
 				json = new JSONTokener(jsonString).nextValue();
 			} catch (Exception e){
+				//TODO support for v1.1.X saves has been dropped, can probably remove this soon
 				//if the string can't be tokenized, it may be written by v1.1.X, which used libGDX JSON.
 				// Some of these are written in a 'minified' format, some have duplicate keys.
 				// We read them in with the libGDX JSON code, fix duplicates, write as full JSON