demo script updates (#934)

Demo script updates.  Record-replay, a bugfix in the canary demo script, etc.

demos/canary-successful-scenario/cleanup.sh

@@ -1,4 +1,11 @@
 #!/bin/bash
 
 kubectl delete canaryconfig canary-1
-kubectl delete httptrigger route-hello
+kubectl delete httptrigger route-canary
+
+fission fn delete --name func-v1
+fission fn delete --name func-v2
+fission package delete --orphan
+
+# bug in canary config cache when you re-create a config with the same name, restart controller
+kubectl -n fission get pod -l application=fission-api -o name | xargs -n1 kubectl -n fission delete