GPII-590: Gave "magnifierPosition" its default value.
GPII-590: Some renames on "gpii.adjuster.activatableLabels" grade.
GPII-590: Renamed the "gpii.adjuster.activatableLabels" grade,
to reflect its actual function.
GPII-590: Trying to use activatableLabelsPropagateKeyEventToLabelFor
grade for punctuation marks. No go yet...
GPII-590: For single selection adjusters radios are focusable.
This allows for keyboard selection.
Naive way of setting outline to parent div.
GPII-590: Created a reusable "gpii.adjuster.singleSelectionWithKeyboard" grade.
GPII-590: Made the contrastThemeNoPreview "gpii.adjuster.singleSelectionWithKeyboard".
GPII-590: Made the magnifierPosition "gpii.adjuster.singleSelectionWithKeyboard".
Some naming corrections in singleSelectionWithKeyboard.