Changelog for Build 451/285/126

- Ctrl-N or Ctrl-T opens a new window
- Closed item cliques remain closed on refreshs
- Firefox (and other programs) can now correctly store large files directy into Wuala (on Windows)
  (Let me know if there are problems with other programs on Windows, we still have to look at the
  NFS issues)
- Resolved http://wua.la/Wuala+Community/Bugs/Resolved/Upload-Bug+-+dringend%21.txt
- Various other bugfixes