When rating is created collapsed, switching to visible does not update correctly the value .

Expose properties that allow stretching the RatingItems

The TabNavigation through the rating items doesn't work as expected.
Also when we have a few controls including RadRating with TabIndex set, navigating the first time with tab key works fine. If the rating is not the first in the tabindex sequence, the second navigation over the controls starts with the rating but it shouldn`t.

Add a property to set the selection mode of the rating.

Add a property to change the direction of the rating.

Add a property to set the orientation of the rating.