Target geolocation averaging should be less dumb

[len0rd]

https://github.com/BYU-AUVSI/imaging/blob/d7b89bb3b1a31a0456e9f7f29d555eca725ebbce/server/src/dao/classification_dao.py#L553

• You should not add values == 0 to ttl
• (L558) ttl should be divided by the number of values you add to it (not necessarily len(classifications))

[benjjensen]

The code has been updated as advised.