Alarm:	enhanced diagnostics
	change default log level to 2
	add lamp-test command, new force parm to lampTest
	more accurate logging of analog pin #s


Signed-off-by: Mark.Kampe <mark.kampe@gmail.com>
alarm:	minor improvements to sensor/display semantics
	don't sample a sensor with in-port 255
	leave lamps off for un-sampled sensors
	a sensor can't be triggered if we aren't armed

Signed-off-by: Mark.Kampe <mark.kampe@gmail.com>
alarm:	bugfix - red/green ports were reversed

Signed-off-by: Mark.Kampe <mark.kampe@gmail.com>
alarm: minor clarifications to configuration
	define S_hi and S_lo for normally high/low signals
	clarify the meaning of input port -1 (don't sample)
	clarify the meaning of zone Z_dis (ignored)

Signed-off-by: Mark.Kampe <mark.kampe@gmail.com>