Add missing properties in the template for in-memory targets

src/app/targets/tpl/in-memory.properties

@@ -4,3 +4,11 @@ handler = in-memory
 # Provide a meaningful description of the target
 name = 
 description = 
+
+# The delay (in ms) to wait between the request to create an agent
+# and the moment it is created. This helps to simulate the time
+# necessary to launch a virtual machine.
+# in-memory.delay = 0
+
+# Execute real recipes? False by default.
+#in-memory.execute-real-recipes = false