Fix hello-world SR parameters.

software/helloworld/instance.cfg.in

@@ -29,7 +29,9 @@ cert = $${slap_connection:cert_file}
 
 # Define default parameter(s) that will be used later, in case user didn't
 # specify it
-name = anonymous
+# All parameters are available through the configuration.XX syntax.
+# All possible parameters should have a default.
+configuration.name = anonymous
 
 
 # Create all needed directories, depending on your needs
@@ -52,7 +54,7 @@ promise = $${:etc}/promise/
 # This recipe will try to "exec" the command-line after separating parameters.
 recipe = slapos.cookbook:wrapper
 # Notice that there is only one $ at ${dash:location}, it is because it comes from the Software Release buildout profile.
-command-line = ${dash:location}/bin/dash -c 'echo "Hello $${instance-parameter:name}!"; sleep 100000;' 
+command-line = ${dash:location}/bin/dash -c 'echo "Hello $${instance-parameter:configuration.name}!"; sleep 100000;' 
 # Put this shell script in the "etc/service" directory. Every executable of this
 # repository will be started and monitored by supervisord
 wrapper-path = $${directory:service}/hello-world
@@ -63,4 +65,4 @@ wrapper-path = $${directory:service}/hello-world
 # Here we'll just echo back the entered name as instance parameter
 [publish-connection-parameter]
 recipe = slapos.cookbook:publish
-name = Hello $${instance-parameter:name}!
+name = Hello $${instance-parameter:configuration.name}!