Synnefo

Branding: change default icon for vms

Changing "os" to "unknown" for all VMs that don't have a prefefined os.
Applies to Compute interface.

Initial branding for service and company

New synnefo_branding app.
Service name defaults to "Synnefo" and company name defaults to "grnet".
Branding is applicable to texts containing Service or Company name/url and to
images such as favicon, compute, dashboard and console logos.

Bypass commissioning for orphan networks

Cyclades public networks do not have an owner, and since can not use
the commissioning system. Also, make snf-dispatcher instead of failing
for networks without userid to just a log a warning. This does not apply for...

Inform user we are working in the background

Print a message about astakos-quota calculating all user quotas,
which on a big system takes some time.

Include auth providers basic logging support

Add logging statements on some important auth providers operations.

Complete auth providers logging support will be merged from the
feature-astakos-authpolicies branch which also includes additional auth
providers improvements.