Package task-auth-ldap-sssd: Information

- Fix auth in Active Directory with task-auth-ad-winbind without task-auth-ad-sssd.

- Many improvements by sin@ and kaa@:
- Disable Username and Password edit boxes activity when kerberos ccache using.
- Add support for switching between sssd and winbind during join to AD.
- Avoid to use default credential cache with password authentication and place login/password credential pair as command line option to net utility.
- Add support of using default kerberos credential cache during join to AD.
- Don't show gpupdate checkbox for ipa join (ALT#45154).
- Check Active Directory computer name condition by RFC952 and fix regression with not changing static hostname after reboot.
- Computer name and static hostname restrictions when typing into a domain.

- Support custom computer OU and Windows 2003 during join to Active Directory.