Added length attribute to tracks
Test validation of tracks without length attribute
Merge pull request #212 from bpross-52n/add-length-attribute-to-tracks

Added length attribute to tracks
order tracks by creation date not by modified date
include GeodesicGeometryOperations
calculate track length on upload
adjust variable names
adjust variable names.. again!
bind GeometryOperations impl for tests
hopefully fix CSV test for JDK6
Merge pull request #213 from matthesrieke/dev

Length calculation on Track Creation