add cert-notation bug

.be/618866f5-f7db-4d5a-987d-a2bf3d8b4751/bugs/4a92e6cb-3827-455b-967c-8651babc1c01/comments/202b1bda-9836-448e-86f9-abafd101919b/body

+We could allow users to explain how or why they signed a key in
+--cert-notation.
+
+For example it could explain why a signature was made locally.

.be/618866f5-f7db-4d5a-987d-a2bf3d8b4751/bugs/4a92e6cb-3827-455b-967c-8651babc1c01/comments/202b1bda-9836-448e-86f9-abafd101919b/values

+{
+
+
+
+
+
+
+    "Author": "Antoine Beaupr\u00e9 <anarcat@koumbit.org>", 
+
+
+
+
+
+
+    "Content-type": "text/plain", 
+
+
+
+
+
+
+    "Date": "Tue, 04 Feb 2014 16:31:08 +0000"
+
+
+
+
+
+
+}

.be/618866f5-f7db-4d5a-987d-a2bf3d8b4751/bugs/4a92e6cb-3827-455b-967c-8651babc1c01/values

+{
+
+
+
+
+
+
+    "creator": "Antoine Beaupr\u00e9 <anarcat@koumbit.org>", 
+
+
+
+
+
+
+    "reporter": "Antoine Beaupr\u00e9 <anarcat@koumbit.org>", 
+
+
+
+
+
+
+    "severity": "minor", 
+
+
+
+
+
+
+    "status": "open", 
+
+
+
+
+
+
+    "summary": "allow --cert-notation", 
+
+
+
+
+
+
+    "time": "Tue, 04 Feb 2014 16:28:28 +0000"
+
+
+
+
+
+
+}