Changed getContent to getRatio and returned a double instead of a String
Refactored Splitratio to use setRatio instead of setContent
SensorTests: Partial
Sensor is fully tested
Sensor is fully tested: small change
SensorSet tested
Changed mod stamp format in test
VehicleType unit tested
VehicleType added Override annotation
Parameters and Parameter Tested
Merge pull request #77 from sean-morris/master

Sensor, SensorSet, Parameter, Parameters, VehicleType