New Goto dialog options

Several feature requests created an idea about adding new options into the Goto dialog.

• Option to jump relatively to the curent position. While checked, goto dialog will move by the given lines or characters forward instead of jumping to the exact position. By this, a user will be allowed to step through the document easily.


• Option to select along the way. While checked, goto dialog will extend the selection to cover a new given position as well. If a selection is already present, it will not be de-selected.