Set useragent to mabako/Git.hub

Author: mabako

Git.hub/Client.cs

@@ -9,7 +9,13 @@ namespace Git.hub
     /// </summary>
     public class Client
     {
-        private RestClient client = new RestClient("https://api.github.com");
+        private RestClient client;
+
+        public Client()
+        {
+            client = new RestClient("https://api.github.com");
+            client.UserAgent = "mabako/Git.hub";
+        }
 
         /// <summary>
         /// Sets the client to use username and password with GitHub

Git.hub/OAuth2Helper.cs

@@ -28,6 +28,7 @@ public static string requestToken(string client_id, string client_secret, string
         {
             // Not on api.github.com
             var client = new RestClient("https://github.com");
+            client.UserAgent = "mabako/Git.hub";
 
             var request = new RestRequest("/login/oauth/access_token");
             request.RequestFormat = DataFormat.Json;