Navigation bar dimensions (1/2)

- Change height when in portrait
- Change width when in landscape
- Option to enable or disable nav bar

additional options

- Ability to disable hardware keys via nav bar settings
- Add android:key in hardware keys enable/disable option to forward enable this option in devices with hardware keys and not in devices without
- Check devices related core/res/res/values/config.xml to enable or disable

credits to crdroid