Updated AlarmOptionsItem to use UTF8Spinner.
Created specialized widgets to cover options
sets. Updated GenericSpinner to handle Pure
navigation and content swap. Updated Alarm
RRule code to work with Custom Days selection
and new widgets. Added Tests. General GUI
stylistic fixes. Increased app Alarm Clock
and service Time stack sizes.
1. Prepare Pure and Bell specific `Application`
classes and add them to `app` target:
- `products/BellHybrid/apps/Application.cpp`
- `products/PurePhone/apps/Application.cpp`
2. Update `CMakeLists.txt` files.
3. Move `ApplicationBell` implementation to Bell-specific
`Application` class and remove `ApplicationBell` files.
4. Change Bell apps parent classes from `ApplicationBell`
to Bell-specific `Application` class.
5. Rename `Application` to `ApplicationCommon` in the rest of the files.
