Pull out more `MAX_*` constants from normalized_measure_dict function.
Remove unfinished comment
Factor out geolocate specific tests into its own test class.

This way we can easily exclude them from the geosubmit regression tests.
Enable heka message tests in geosubmit regression tests.

And actually catch one real bug, the logging of 404's for geosubmit.
Hanno style! :)
Use `models.to_degrees` helper function.