Allow for saving the configuration used by a window opened from a URL.

Note when editing a copy save password works now too.

pglab/ConnectionController.h

@@ -43,7 +43,7 @@ public:
 
 	/// Starts the form for creating a new conncetion.
 	/// This function returns immidiatly!
-	void createConnection();
+    void createConnection(ConnectionConfig *init = nullptr);
 	/// Starts the form for editing a conncetion.
 	/// This function returns immidiatly!
 	void editConnection(QModelIndex index);