Add flavor create, delete and list actions
flavor create can get multiple values for each of cpu, ram and disk and will create the product of the combinations.
e.g. snf-admin create flavor 8 2048,4096 80,100
Fixes #827
Add user create and user delete commands
user delete is hidden to avoid accidents
Refs #827
Add user modify command
Code refactoring
Make clear that commands can have arguments
Add support for ImageMetadata
Refs #727
Initial import of snf-admin command line tool
Update API to return 4 kinds of graphs
Also temporarily disable encryption of backend id.
Refs #527
Add a Get Server Stats API method
Show firewall profile if present
View revisions
Also available in: Atom