Add lysander to rdp

hosts

@@ -111,6 +111,7 @@ lysander.las.kit.edu
 [rdp]
 amnesix.las.kit.edu
 asterix.las.kit.edu
+lysander.las.kit.edu
 faulus.las.kit.edu
 galantine.las.kit.edu
 gutemine.las.kit.edu