updated cake build to include repository url

build.cake

@@ -223,6 +223,10 @@ Task("RePackageNuGet")
                 Tags = TAGS,
                 //Language = "en-US",
                 OutputDirectory = OUTPUT_DIR,
+                Repository = new NuGetRepository {
+                    Type = "git",
+                    Url = GITHUB_SITE
+                }
                 Files = new [] {
                     new NuSpecContent { Source = PROJECT_DIR + "LICENSE.txt" },
                     new NuSpecContent { Source = PROJECT_DIR + "CHANGES.txt" },