* Removes TNT Unicode controls, which are no longer required. All VCL controls now have native Unicode support.
* Remove Delphi 11 packages, otherwise we would either need to keep TNT or break Unicode
* PngComponents update from Uwe Raabe on http://cc.embarcadero.com/Item/26127
* Adjust auto build process
* Since Delphi 2009, Strings are now UnicodeStrings, not AnsiStrings any longer. Fix a bunch of compiler errors which came along with this change.
TODO: Project should compile but give tons of compiler warnings.
License: GNU Lesser Public License.
This version is checked in as downloaded from http://www.soft-gems.net/supplement/download.php?ID=35. No adjustments / fixes on the packages yet.
Instead of adding the files I could have just added an external SVN link to svn://www.soft-gems.net/library/VirtualTreeview . But the files in that repository have some unsolved issues which would lead to compiler errors if we use them without changes. Especially the D2007 package does not compile without changes. We would not be able to commit those changes unless we have write access to their repo. I contacted the author Mike Lischke and we agreed that we always will take care of using the latest sources. Later updates should not cause big problems if we don't make big changes to the original files.
TVirtualStringTree shall be a perfect replacement for our standard TListView and its descendent TSortListView.
