utils/serializers/yaml.py: fix spelling: polute => pollute
Merge pull request #11081 from cvrebert/patch-1

utils/serializers/yaml.py: fix spelling: polute => pollute
[salt.cloud] adding volumes to cloud states
[salt.cloud] fix volume_list in SaltNova
[salt.cloud] nova cloud driver has the provider injected
Create one map for all volume actions
volume_list is now a dictionary

Instead of being a volume object, it returns everything so that we don't
have to generate a response dictionary anymore.
Clean up comments for volumes in cloudclient
Add cloud states for volumes
list_nodes needs to be in SaltNova

for deleting with salt-cloud
Use class for server information

Like libcloud
volume_action doesn't always need names

for example, volume_list
Clean up dictionaries for volumes in cloud state
libcloud compatibility for destroy_node
cleanup for pep8

Cloud Volume commands
Remove nova state

This one shouldn't have every really been used.  It is replaced by just
using regular cloud states now.