Replace wxWigets with a custom UI framework
Reorganise VS project
Allow the ScrollingContainer to center-align small content.
Add DC::texture
Allow viewing of RGT files
Debugging aid: Destroy the main window on application exit.
Debugging aid: Allow D2D and DWrite to be disabled.

The Visual Studio graphics debugger doesn't like D3D10 being used alongside these technologies.
Allow viewing of PNG files
Allow mouse dragging of scrollable windows