Remove Slime Java Commons submodule, (#236)

java/org/json/JSONString.java

@@ -0,0 +1,19 @@
+package org.json;
+
+/**
+ * The <code>JSONString</code> interface allows a <code>toJSONString()</code>
+ * method so that a class can change the behavior of
+ * <code>JSONObject.toString()</code>, <code>JSONArray.toString()</code>, and
+ * <code>JSONWriter.value(</code>Object<code>)</code>. The
+ * <code>toJSONString</code> method will be used instead of the default behavior
+ * of using the Object's <code>toString()</code> method and quoting the result.
+ */
+public interface JSONString {
+	/**
+	 * The <code>toJSONString</code> method allows a class to produce its own
+	 * JSON serialization.
+	 * 
+	 * @return A strictly syntactically correct JSON text.
+	 */
+	public String toJSONString();
+}