seeker.msg object added

```
this.msg = {
          noAuth: 'No Authorized Tessels Found.',
          auth: 'No Tessels Found.'
        };
```
callable by
```
var seeker = new discover.TesselSeeker().start(seekerOpts);
var noTessels = opts.authorized ?
      seeker.msg.noAuth :
      seeker.msg.auth;
```

[x] Tests what call `Tessel.get` or `Tessel.list` needed to add msg
into stub of `TesselSeeker.start`

lib/controller.js

@@ -33,9 +33,8 @@ Tessel.list = function(opts) {
     // Start looking for Tessels
     var seeker = new discover.TesselSeeker().start(seekerOpts);
     var noTessels = opts.authorized ?
-      'No Authorized Tessels Found.' :
-      'No Tessels Found.';
-
+      seeker.msg.noAuth :
+      seeker.msg.auth;
     // When a Tessel is found
     seeker.on('tessel', function displayResults(tessel) {
 
@@ -127,9 +126,9 @@ Tessel.get = function(opts) {
 
     // Create a seeker object and start detecting any Tessels
     var seeker = new discover.TesselSeeker().start(seekerOpts);
-    var noTessels = seekerOpts.authorized ?
-      'No Authorized Tessels Found.' :
-      'No Tessels Found.';
+    var noTessels = opts.authorized ?
+      seeker.msg.noAuth :
+      seeker.msg.auth;
 
     function searchComplete() {
       // If we found no Tessels

lib/discover.js

@@ -16,6 +16,10 @@ util.inherits(TesselSeeker, EventEmitter);
 
 TesselSeeker.prototype.start = function(opts) {
   var self = this;
+  self.msg = {
+    noAuth: 'No Authorized Tessels Found.',
+    auth: 'No Tessels Found.'
+  };
   // Initialize the opts if it wasn't provided
   opts = opts || {};
 

test/unit/controller.js

@@ -367,6 +367,10 @@ exports['Tessel.list'] = {
     this.seeker = this.sandbox.stub(Seeker, 'TesselSeeker', function Seeker() {
       this.start = function(opts) {
         self.activeSeeker = this;
+        this.msg = {
+          noAuth: 'No Authorized Tessels Found.',
+          auth: 'No Tessels Found.'
+        };
         if (opts.timeout && typeof opts.timeout === 'number') {
           setTimeout(this.stop, opts.timeout);
         }
@@ -515,6 +519,10 @@ exports['Tessel.get'] = {
     this.seeker = this.sandbox.stub(Seeker, 'TesselSeeker', function Seeker() {
       this.start = function(opts) {
         self.activeSeeker = this;
+        this.msg = {
+          noAuth: 'No Authorized Tessels Found.',
+          auth: 'No Tessels Found.'
+        };
         if (opts.timeout && typeof opts.timeout === 'number') {
           setTimeout(this.stop, opts.timeout);
         }

test/unit/tessel.js

@@ -22,6 +22,10 @@ exports['Tessel (get)'] = {
     this.seeker = this.sandbox.stub(discover, 'TesselSeeker', function Seeker() {
       this.start = function(options) {
         self.activeSeeker = this;
+        this.msg = {
+          noAuth: 'No Authorized Tessels Found.',
+          auth: 'No Tessels Found.'
+        };
         setTimeout(this.stop.bind(this), options.timeout);
         return this;
       };