Dialog refactoring

Extended the settings dialog
Reorganized the workspace management code
Fixed issue where the previous current directory was in effect even in new workspaces
Improved the log responsiveness on long fossil operations


FossilOrigin-Name: 945c841fba73be1355611554499e68a878b95359

MainWindow.h

@@ -106,6 +106,7 @@ private:
 	void loadSettings();
 	void saveSettings();
 	const QString &getCurrentWorkspace();
+	void setCurrentWorkspace(const QString &workspace);
 	void log(const QString &text);
 	void setStatus(const QString &text);
 	bool uiRunning() const { return fossilUI.state() == QProcess::Running; }