MinimalMobileTheme, MetalWorksMobileTheme: numeric stepper's text input is not editable.
NumericStepper: support for different layouts. split horizontal, split vertical, and right side vertical (references #189)
ComponentsExplorer: numeric stepper buttonLayoutMode is configurable.
Focus Management: added previousTabFocus to match nextTabFocus (references #191)
TextFieldTextEditor: enter key event
Focus Management: support for TextFieldTextEditor (references #191)