Version 1.0.3

- Modified sample battery driver to check power supply status in full
state and transition to discharging in case power is not supplied.
- Do not call power_supply_changed in power_supply_unregister.
- Fixed power supply viewer program (Windows version) to properly close
devices.
- Added periodic timer routine to update jiffies.
- Added linux/kref.h.
- Added dev_warn().