Added Cholesterol proxy.
Cholesterol proxy updates.
New types added and Cholesterol proxy working.
Merge branch 'CholesterolMeasurement' into newMeasurements
Added cholesterol proxy to the driver proxy list.
Merge branch 'HeartRateMeasurement' into newMeasurements
Merge branch 'CholesterolMeasurement' into newMeasurements
Driver typo in HeartRate.