* changed password in demo1 to be provided in source, not safe, but easy start and private cloud endpoints are not externally reachable anyway

* added missing network definition in demo3-microservice
* fixed typo in demo4-scale-out-add-worker
* renamed demo4 destroy to destroy-all-demo-instances.py to serve as universal cleanup script for the provided faafo demos

demo3-microservice.py

@@ -238,6 +238,7 @@ def main():
     instance_worker_1 = conn.create_node(name='app-worker-1',
                                          image=image,
                                          size=flavor,
+                                         networks=[network],
                                          ex_keyname=keypair_name,
                                          ex_userdata=userdata,
                                          ex_security_groups=[worker_security_group])