dat code review feedback

Octokit.Reactive/Clients/ObservableRepositoryCommitsClients.cs

@@ -25,4 +25,4 @@ namespace Octokit.Reactive
             return _client.Repository.Commits.Compare(owner, name, @base, head).ToObservable();
         }
     }
-}
+}

Octokit/Clients/RepositoryCommitsClient.cs

@@ -22,7 +22,7 @@ namespace Octokit
         public Task<CompareResult> Compare(string owner, string name, string @base, string head)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
-            Ensure.ArgumentNotNullOrEmptyString(name, "repositoryName");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
             Ensure.ArgumentNotNullOrEmptyString(@base, "base");
             Ensure.ArgumentNotNullOrEmptyString(head, "head");
 

Octokit/Helpers/ApiUrls.cs

@@ -1053,15 +1053,20 @@ namespace Octokit
         /// Returns the <see cref="Uri"/> for comparing two commits.
         /// </summary>
         /// <param name="owner">The owner of the repository</param>
-        /// <param name="repositoryName">The name of the repository</param>
+        /// <param name="name">The name of the repository</param>
         /// <param name="base">The base commit</param>
         /// <param name="head">The head commit</param>
         /// <returns></returns>
-        public static Uri RepoCompare(string owner, string repositoryName, string @base, string head)
+        public static Uri RepoCompare(string owner, string name, string @base, string head)
         {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
+            Ensure.ArgumentNotNullOrEmptyString(@base, "base");
+            Ensure.ArgumentNotNullOrEmptyString(head, "head");
+
             var encodedBase = @base.UriEncode();
             var encodedHead = head.UriEncode();
-            return "repos/{0}/{1}/compare/{2}...{3}".FormatUri(owner, repositoryName, encodedBase, encodedHead);
+            return "repos/{0}/{1}/compare/{2}...{3}".FormatUri(owner, name, encodedBase, encodedHead);
         }
 
         /// <summary>

Octokit/Models/Response/Commit.cs

@@ -1,7 +1,5 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Diagnostics;
-using System.Globalization;
 
 namespace Octokit
 {

Octokit/Models/Response/GitHubCommit.cs

@@ -16,4 +16,4 @@ namespace Octokit
         public string HtmlUrl { get; set; }
         public IReadOnlyList<GitReference> Parents { get; set; }
     }
-}
+}