added standard website cruft

Author: fileformat

www/favicon.ico

@@ -0,0 +1,5 @@
+#
+# just a backend for the main RegexPlanet.com site: go there to index stuff!
+#
+User-agent: *
+Disallow: /

www/robots.txt

@@ -0,0 +1,32 @@
+<%@ page contentType="text/plain;charset=utf-8"
+		 import="java.io.*,
+				 java.util.*,
+				 java.util.regex.*,
+				 org.json.simple.*,
+				 com.google.common.base.*,
+				 org.apache.commons.lang3.*,
+				 org.apache.commons.lang3.math.*"
+%><%
+
+	Locale loc = request.getLocale();
+
+	JSONObject retVal = new JSONObject();
+
+	retVal.put("success", Boolean.TRUE);
+	retVal.put("message", "OK");
+
+	String json = retVal.toString();
+	String callback = request.getParameter("callback");
+	if (callback != null && callback.matches("[a-zA-Z][-a-zA-Z0-9_]*"))
+	{
+		out.print(callback);
+		out.print("(");
+		out.print(json);
+		out.print(");");
+	}
+	else
+	{
+		out.print(json);
+	}
+%>
+