CJ making the accessors less private for use when not in debug mode

Signed-off-by: Dave Jesse <dave.jesse@flightdataservices.com>
CRJ Radio Altimeter scaling set from analysis of a suite of flights for different aircraft.
Node exception handling added by Chris Jesse.
Merge branch 'master' of https://github.com/FlightDataServices/FlightDataAnalyzer
Merge branch 'master' of https://github.com/FlightDataServices/FlightDataAnalyzer
Radio Altimeter scaling for CRJ added with test.
CRJ Speedbrake settings allow for different parameters to be available (some aircraft have a useable Speedbrake Handle, while others do not).
Improvements in Go Around KPVs resulting from analysis of initial results on test.
Merge branch 'master' of https://github.com/FlightDataServices/FlightDataAnalyzer