createWithOwner requires User object, not string representing username.

This theme is really complex, and having beautiful buttons which are submitting
form is worse then just have working links without side effects.

It is important to cover a case when Software Release get archived, but it is
still used on Computer.

Title is humand related name of computer, and reference is used by SlapOS
configuration.

Use My Acccount web section to expose buttons to request and revoke certificate.
Move out credentials management to button.
Reuse existing WebSection_viewMyAccountRender.

This supports configuration, when bridge cannot be attached with IPv6 capable
interface (like a lot of WLAN interfaces and IPv6 tunnels).

Thanks to setting ipv6_interface in slapformat configuration file, IPv6
generation will be done there, but IPv4 will be still available on bridge.

Users shall be able to instantiate software instances on their computers. This
is the most often found scenario (add *my* computer and instantiate on *it*
some software).

Add condition to support dictionary. This fix was needed to support Slave Instance inside parameter_dict because each Slave Instance is one dictonary

This commit also  fixes other arguments which were read  and parsed as regular
configuration files.