Rename to Octokit to be consistent with other API libs

GitHub is naming all of the libraries Octokit for their respective
platforms

Octokit.Reactive/IObservableOrganizationsClient.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Octokit.Reactive
+{
+    public interface IObservableOrganizationsClient
+    {
+        /// <summary>
+        /// Returns the specified organization.
+        /// </summary>
+        /// <param name="org">The login of the specified organization,</param>
+        /// <returns></returns>
+        [SuppressMessage("Microsoft.Naming", "CA1716:IdentifiersShouldNotMatchKeywords", MessageId = "Get"
+            , Justification = "It's fine. Trust us.")]
+        IObservable<Organization> Get(string org);
+
+        /// <summary>
+        /// Returns all the organizations for the current user.
+        /// </summary>
+        /// <returns></returns>
+        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
+            Justification = "Method makes a network request")]
+        IObservable<IReadOnlyCollection<Organization>> GetAllForCurrent();
+
+        /// <summary>
+        /// Returns all the organizations for the specified user
+        /// </summary>
+        /// <param name="user"></param>
+        /// <returns></returns>
+        IObservable<IReadOnlyCollection<Organization>> GetAll(string user);
+    }
+}