DC++ 0.691

* Links to bugzilla in html changelog
* [bug 122] Added userlist filter (thanks trem)
* [bug 578] Added search for alternates to transfers menu (thanks trem)
* [bug 861] Fixed auto-prio not being set correctly (thanks trem)
* [bug 878] Added close all ... to window menu (thanks trem)
* [bug 903] Holding shift while minimizing will use opposite tray setting (thanks joakim tosteberg)
* [bug 923] PM history always read (thanks trem)
* [bug 927] Fixed OP detection bug (thanks pothead)
* [bug 929] Fixed list view flicker issues (thanks trem)
* [bug 931] Improved keyboard navigation (thanks trem)
* Added "all" to hub list field search (thanks trem)
* Fixed bug when sending active ADC search results
* Updated to ADC 0.11
* Passive users now also get ADC search results
* Changed nmdc bot-detection to what it was before, should fix pm-to-bot bug