Merge pull request #25 from tripzero/master

added section to abstract about potential sources of data
Merge pull request #26 from tripzero/master

removed location.  geolocation api does this
Merge pull request #27 from tripzero/master

This adds a snapshot for April 25 2014
Merge pull request #28 from tripzero/master

split documents
Merge pull request #29 from tripzero/master

updated abstract
Merge pull request #30 from tripzero/master

added snapshots to latest version
--comments from face to face today
--changed int to long
Merge pull request #31 from occops/master

--comments from face to face today
reworked zones a bit. removed dead reckoning.