- Omit version in login window if unknown

- Fix version display when release file is empty
- User manager async fixes
- Add greeter specific dconf database for lockdown
- XDMCP/ipv6 fix
- Fix to make sure PostSession is always called when appropriate
- Solaris permissions fix
- Only automatically login on boot when autologin is enabled, not after logout
- Enable braille reader support when screenreading is enabled
- Beep when login window is ready
- Make beeps audible by enable event sounds
- Translation updates