uTorrent 2.2.0 Beta 21090

- Change: remove the "always show add dialog" and merge its functionality with the "show add dialog"
- Change: cache the bitmap used for double buffering by some utorrent panes
- Change: Playback feature disabled by default - new setting in preferences->playback
- Change: remove the overhead display from the status bar
- Fix: arrow-key navigation of multi-file torrent filelist.
- Fix: garbage hint text when hovering in sidebar
- Fix: select download pane if find pane or apps were selected and the preference for them is disabled or the category tree is hidden
- Feature: support multi-announce in LSD packets
- Fix: sidebar counts would not update in some cases