skeleton: Add dbus objects for adm1278 hwmon sensors

Add dbus object for adm1278 Vout and Iout sensors.
Add the sense resistor as scaling factor in skeleton.

The sense resistor value is used while converting adm1278 'current' and 'power'
register value to real world value. The adm1278 driver does the conversion,
but without taking into account of the sense resistor.
The resistor value need to be set according to Barreleye design.

Signed-off-by: Yi Li <adamliyi@msn.com>
diff --git a/bin/Sensors.py b/bin/Sensors.py
index f951eeb..06e0b5f 100755
--- a/bin/Sensors.py
+++ b/bin/Sensors.py
@@ -124,7 +124,8 @@
 			val = (self.properties[SensorValue.IFACE_NAME]['value']-offset) * scale
 			return [True,val]
 		else:
-			val = (value/scale) + offset
+			# Keep the val as integer. scale may be floating point
+			val = int(value/scale + offset)
 			if (val != self.value):
 				SensorValue.setValue(self,val)
 				self.check_thresholds(val)