Replace trace-related fixtures with factories. The mocking and stubbing in the controller tests is unfortunate, but the models interact directly with the filesystem using the trace id so that's hard to control any other way.
Add extra visibility options for GPS traces, and enhance the API call that returns trace data to return more information if the owner of the trace has allowed it. Based on a patch from Matt Amos.
fixed gps_point coordinates and tile. why was this passing the tests before?
correcting typo on gps_points fixtures