gui: raise chat dialog when clicking the action in menu

Change-Id: I5fd80b62c00485596c0dc5c5d93348014becf4f8
diff --git a/TODO b/TODO
index 0c8dd35..101dd11 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1 @@
-1. When clicking message balloon, the corresponding ChatDialog is raised.
-2. Fix mulitple occurance problem.
-3. Add the trust spanning tree.
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+1. Fix mulitple nick occurance problem.
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