Measurement type - Move to points and image table

[jomey]

Refactor the schema and move the measurement type from the campaign observation to the image and points table. This allows having multiple measurements per observation.

Closes #194

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.73%. Comparing base (5ca4c17) to head (1d16f99).

Additional details and impacted files

@@                Coverage Diff                @@
##           release-0.6.x     #195      +/-   ##
=================================================
- Coverage          75.80%   75.73%   -0.08%     
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  Files                 21       21              
  Lines                649      647       -2     
=================================================
- Hits                 492      490       -2     
  Misses               157      157              

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[aaarendt]

This looks good - I was able to create the new schema via the successful run of the test suite.

How will name be treated now in PointObservation? As discussed in #194, the name now has the measurement type embedded. Fine if we do this in a separate PR.

[jomey]

This looks good - I was able to create the new schema via the successful run of the test suite.

How will name be treated now in PointObservation? As discussed in #194, the name now has the measurement type embedded. Fine if we do this in a separate PR.

The name will be set by the import in snowex_db. I have PR soon ready to highlight the new way and my current implementation will just use the pit_id or one given by an argument.

[jomey]

@aaarendt - Updated the issue with a snapshot of a test run with the new structure
#194 (comment)