Allow opening a specific workspace path from the commandline

FossilOrigin-Name: e42f476b1c07959ee224b1abbd60f811893d0717

MainWindow.h

@@ -116,7 +116,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit MainWindow(QWidget *parent = 0);
+	explicit MainWindow(QWidget *parent = 0, QString *workspacePath = 0);
     ~MainWindow();
 	bool diffFile(QString repoFile);