Added a method to commit the values. This method is called when the user presses the Ok button.

Minor formating changes.
Added a call to UIPanel.commitValue() in perform() method. Before any current changes in some components where not commited.
Added a call to UIPanel.commitValue() in perform() method. Before any current changes in some components where not commited.
Added a call to UIPanel.commitValue() in perform() method. Before any current changes in some components where not commited.
Method commitValue() now stops the cell editor which commits any value in the current editing component.
Added a field selectedInlinePanel which holds the panel of current selected radio button.  In method commitValue() we call method commitValue() of selectedInlinePanel.
Added documentation.