Rename node-radius directory to radius

Rename node-radius directory to radius to match its library name on npm.

radius/radius-tests.ts

@@ -0,0 +1,43 @@
+/// <reference path="radius.d.ts" />
+
+import radius = require('radius');
+
+var radius_secret: string = "shhhh"
+
+radius.add_dictionary("./");
+var encodedPacket: NodeBuffer = radius.encode({
+    code: "Access-Request",
+    secret: radius_secret,
+    attributes: {
+        "NAS-IP-Address": "10.5.5.5",
+        "User-Name": "me",
+        "User-Password": "its-a-secret"
+    }
+});
+
+var radiusPacket: radius.RadiusPacket = radius.decode({
+    packet: encodedPacket,
+    secret: radius_secret
+});
+
+var response: NodeBuffer;
+
+if (radiusPacket.attributes["User-Name"] == "me" && radiusPacket.attributes["User-Password"] == "its-a-secret") {
+    response = radius.encode_response({
+        packet: radiusPacket,
+        code: "Access-Accept",
+        secret: radius_secret
+    });
+} else {
+    response = radius.encode_response({
+        packet: radiusPacket,
+        code: "Access-Reject",
+        secret: radius_secret
+    });
+}
+
+console.log(radius.verify_response({
+    request: encodedPacket,
+    response: response,
+    secret: radius_secret
+}));