Fix racey startup when we're showing the Intro window

SparkleShare/SparkleIntro.cs

@@ -555,9 +555,10 @@ namespace SparkleShare {
 							Button finish_button = new Button (_("Finish"));
 			
 							finish_button.Clicked += delegate (object o, EventArgs args) {
+								if(SparkleShare.SparkleUI != null)
+									SparkleShare.SparkleUI.UpdateRepositories ();
 
-								SparkleShare.SparkleUI.UpdateRepositories ();
-//								Destroy ();
+								Destroy ();
 
 							};
 			

SparkleShare/SparkleShare.cs

@@ -73,7 +73,7 @@ namespace SparkleShare {
 			}
 
 			SparkleUI = new SparkleUI (HideUI);
-
+			SparkleUI.Run();
 		}
 
 		// Prints the help output

SparkleShare/SparkleUI.cs

@@ -81,13 +81,15 @@ namespace SparkleShare {
 					SparkleIntro intro = new SparkleIntro ();
 					intro.ShowAll ();
 
-				} else {
-
-					NotificationIcon = new SparkleStatusIcon ();
-
 				}
 
+				NotificationIcon = new SparkleStatusIcon ();
+
 			}
+		}
+
+		public void Run()
+		{
 
 			// The main loop
 			Gtk.Application.Run ();