Duplicate Files Finder

This release mainly contains symbolic link support for Windows, many GUI changes, improved search support (exclude masks have been added and masks can contain separators), and improved compilation support.

This release fixes most remaining speed issues. There is a progress display when the result list is being filled with many elements. Slow tree ctrl has been removed, and list ctrl restored instead. There are bugfixes to makefiles and new options.

This release fixes a severe speed problem which
occurred when there are many items in the result
view.

An error was fixed which made it impossible to
delete files via a particular menu entry.

The main change is code cleanup in several places.
Other small changes were made. The list in the
result page was replaced by a tree control. There
is a new action for deleting files. Conflicting
makefiles were renamed.