uTorrent 1.7 Build 1625

- Change: The treeview in the addtorrent dialog now should have the same border style as the old listview
- Change: The treeview horizontal scrollbar size in the addtorrent dialog is tweaked a bit to more closely match old listview
- Change: A couple more strings I18N'd
- Change: More comprehensive support of unicode pathnames
- Change: Revamped installation backend including better handling of failure cases and checking of NT permissions for determining where to install
- Change: Don't block while waiting to delete from disk
- Fix: Reversed sorting on many listviews
- Fix: Update torrent size after context menu action in addtorrent dialog
- Fix: Memory leaks of directory names and item images in addtorrent dialog treeview
- Fix: Have mousewheel work on controls in modal dialogs even when they don't have focus (i.e. treeview in addtorrent dialog)
- Fix: A few misc memory leaks
- Fix: Get rid of duplicate default button in install dialog - "Yes" should always be the default now
- Fix: The requests column in the peers tab is now sorted by active requests then pending requests, instead of just active requests
- Fix: More tab order fixes to RSS dialog
- Fix: Crash with older versions of RSS history