Added docs to ChoiceView.
Added docs to ChoiceView.

jacksonic/foam,mdittmer/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam,mdittmer/foam,mdittmer/foam,jacksonic/foam,mdittmer/foam,osric-the-knight/foam,shepheb/foam,osric-the-knight/foam,osric-the-knight/foam,osric-the-knight/foam,jlhughes/foam,jacksonic/foam,jacksonic/foam,shepheb/foam,foam-framework/foam,shepheb/foam,foam-framework/foam