JSON protcol.
Fixed extra '}' in msg.

	modified:   PowerManager.cpp
DataSource: Logging
Removed all calls to printf() from this module.
Changed the priority of all syslog calls.

	modified:   DataSource.cpp
	modified:   CameraManager.cpp
Camera Manager:
Modified code to start Raspberry PI camera using JSON protocol

	modified:   CameraManager.cpp
Main:
Removed several printf diagnostic messages

	modified:   main.cpp
SubControl:
Brought module up to current standards for the JSON protocol.
Added the real number of chanels to the Config record.
Added the 'Update' record type to periodic msg.

	modified:   SubControl.cpp