add old log of trigger work

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

doc/dev/logs/2011-06-25.trigger-graphic

@@ -0,0 +1,15 @@
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+client -------------------> trigger via ssh ----------> server
+                                                      ~/.ssh/authorized_keys
+                                                      -> cdist-deploy-to <da-wo-ich-herkomme>
+
+ssh -R 
+
+server -> via cdist-deploy-to -> client
+
+cdist-mass-deploy -p <host a .. host b...>