Merge pull request #31 from occops/master

--comments from face to face today
reworked zones a bit. removed dead reckoning.
getHistory api
Merge pull request #32 from tripzero/master

reworked zones a bit. removed dead reckoning.
merged driverId with seat and made it more generic so it could be used for any occupant in a zone and not just driver
fixed up doc copy-paste error
Merge pull request #33 from tripzero/master

Changes related to some suggestions by Vadim.  It's been several weeks with silent consent.
--per meeting in Gothenburg, I updated, where possible, types to integer types with smallest unit of reasonable measurement.  The only float for unit of measure is temperature interior and exterior per discussion on list.
--removed vehicleType from sizeConfiguration
--made pass at making element descriptions consistent