Fix EA measurement missing data

Use the new `download_recent_measurements` function
https://github.com/sealevelresearch/ea-measurement-collector/pull/3

This means we have multiple attempts at getting the measurement and
record each different answer that comes back.

https://www.pivotaltracker.com/story/show/76363650 [Delivers #76363650]
Merge pull request #69 from sealevelresearch/fix-ea-missing-data

Fix EA measurement missing data