Add Torben's computer to more roles

hosts

@@ -61,6 +61,7 @@ las122.las.kit.edu
 [opera]
 las113.las.kit.edu
 las118.las.kit.edu
+las122.las.kit.edu
 las126.las.kit.edu
 las127.las.kit.edu
 
@@ -84,6 +85,7 @@ las-gethmann.las.kit.edu
 las113.las.kit.edu
 las117.las.kit.edu
 las120.las.kit.edu
+# las122.las.kit.edu
 # las111.las.kit.edu
 las126.las.kit.edu
 las-gethmann.las.kit.edu