Synnefo

Fix console output for management commands

From Django's documentation:
When you are using management commands and wish to provide console
output, you should write to self.stdout and self.stderr, instead of
printing to stdout and stderr directly.

This patch fixes the managements commands to use the proper...

Fix stdout/stderr write in astakos/quota commands

Write actual command output and user prompts to stdout; error and progress
messages to stderr.

astakos: List quota for accepted users only

Don't attempt to show quota for non-accepted users, since they don't have
any.

astakos: Refactor user creation

Provide auth.make_user() as the single way to create a new user. This
function is responsible to set all automatically generated fields, such as
username, uuid, and token. Clean up AstakosUser.save(), that used to
update these fields, and remove AstakosUser.__init__(). Remove trigger...

astakos: Remove stack traceback