Made state report frequency a configurable parameter, fixed onResourceRelease().
Daemon now dispatches QueryPowerChannelState periodically.
Added preliminary support for the revised PowerChannel infrastructure.
Power.PCTLv2: no need to periodically report power channel state.
Moved partial initialization of m_power_state to constructor.
Enabled Edgetech 2205.
Added proper shutdown command.
Preliminary work to support powering down/up the device.