'slapos node instance' reports unknown partitions
Parse and display error messages from server (GET and POST).
Always retrieve certificate and key, update files if content changed.
Check that 'slapos node' commands are run as root.
changed custom self.assertSortedListEqual to self.assertItemsEqual from stdlib
general, light cleanup
assertTrue -> assertIn
fixed bogus call to assertTrue
fixed decorator, was a no-op :-/
'slapos proxy start' must be run as root
Documentation cleanup; provide defaults from argparse, etc.
print -> logger
overall readability
removed support for 'required=False' in config file
removed useless default
proxy: support for 'slapos remove' command
Merge remote-tracking branch 'origin/cliff'
fixed reference to interface name