Authors: @rawrmaan

Rendered HIP markdown: https://github.com/helium/HIP/blob/master/0012-remote-location-assert.md

Original PR: #30

Description from original PR:

Since the GPS location assertion check will soon be enforced, more than 1500 hotspots will need to be adjusted in some way in order to have a good GPS fix and continue participating in Proof of Coverage (see current hotspot gps_fix_quality states below). For many hotspots, this will require updating the asserted location to accurately reflect the hotspot's latest location, which can currently only be done with physical access to the hotspot.

gps_fix_quality | count 
----------------+-------
good_fix        |  2275
no_fix          |  1090
bad_assert      |   514

This HIP proposes a new transaction, assert_location_v2, which will allow a hotspot's location to be asserted remotely without physical access to the hotspot.