message: update include path
diff: #include "ui/FileList.h"
  #include "ui/MainWindow.h"
  #include "ui/DetailView.h"
  -#include "ui/DiffView.h"
  +#include "ui/DiffView/DiffView.h"
  #include "ui/RepoView.h"
  #include <QFile>
  #include <QPushButton>
  