v1.0.1 - Power Off and Reboot Support

Added new features for system control:

New Features:

• System reboot functionality (requires DOS >= 2.16)
• System power off functionality
• Local IP address in device attributes

Changes:

• Added reboot button to Media Player card (if firmware version >= 2.16)
• Added power off button to Media Player card
• Added new services: devialet_reboot_system and devialet_power_off_system
• Updated documentation with new features and requirements