obsolete a range of methods around GetArchiveLink

Due to how the default HttpClientAdapter of Octokit will follow redirects by default,
this API is no longer working. Marking it as obsolete.

Octokit/Clients/RepositoryContentsClient.cs

@@ -116,6 +116,7 @@ namespace Octokit
         /// <param name="owner">The owner of the repository</param>
         /// <param name="name">The name of the repository</param>
         /// <returns></returns>
+        [Obsolete("Octokit's HTTP library now follows redirects by default - this API will be removed in a future release")]
         public Task<string> GetArchiveLink(string owner, string name)
         {
             return GetArchiveLink(owner, name, ArchiveFormat.Tarball, string.Empty);
@@ -144,6 +145,7 @@ namespace Octokit
         /// <param name="name">The name of the repository</param>
         /// <param name="archiveFormat">The format of the archive. Can be either tarball or zipball</param>
         /// <returns></returns>
+        [Obsolete("Octokit's HTTP library now follows redirects by default - this API will be removed in a future release")]
         public Task<string> GetArchiveLink(string owner, string name, ArchiveFormat archiveFormat)
         {
             return GetArchiveLink(owner, name, archiveFormat, string.Empty);
@@ -174,6 +176,7 @@ namespace Octokit
         /// <param name="archiveFormat">The format of the archive. Can be either tarball or zipball</param>
         /// <param name="reference">A valid Git reference.</param>
         /// <returns></returns>
+        [Obsolete("Octokit's HTTP library now follows redirects by default - this API will be removed in a future release")]
         public Task<string> GetArchiveLink(string owner, string name, ArchiveFormat archiveFormat, string reference)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");

Octokit/Helpers/ApiExtensions.cs

@@ -90,6 +90,7 @@ namespace Octokit
             return connection.Get<T>(uri, null, null);
         }
 
+        [Obsolete("Octokit's HTTP library now follows redirects by default - this API will be removed in a future release")]
         public static Task<IApiResponse<T>> GetRedirect<T>(this IConnection connection, Uri uri)
         {
             Ensure.ArgumentNotNull(connection, "connection");

Octokit/Http/ApiConnection.cs

@@ -408,6 +408,7 @@ namespace Octokit
         /// <param name="uri">URI of the API resource to get</param>
         /// <returns>The URL returned by the API in the Location header</returns>
         /// <exception cref="ApiException">Thrown when an API error occurs, or the API does not respond with a 302 Found</exception>
+        [Obsolete("Octokit's HTTP library now follows redirects by default - this API will be removed in a future release")]
         public async Task<string> GetRedirect(Uri uri)
         {
             Ensure.ArgumentNotNull(uri, "uri");