Several minor changes
Refacored EditWindow into MainWindow.
Refactored ProjectModel and ProjectStructure into a single file and added documentation
Refactored StructureView into ProjectTreeView, documented and clarified class
Refactored StructureZone and StructureMenu into ProjectTreeZone
Reintegrated missing functions to MainWindow
Documented NewResourceDialog
Fixed Copy/Paste errors
Fixed makefiles with new file names
Removed now unused files
New Copy/Paste fix