Backward compatibility for CoAXs

[ansoncfit]

Reviving this old endpoint allows users who hit analysis-backend with their own front-ends (e.g. CoAXs) to continue using the same requests to access previously uploaded opportunity datasets.

[codecov-io]

Codecov Report

Merging #158 into set-od will increase coverage by <.01%. The diff coverage is 20%.

@@             Coverage Diff              @@
##             set-od     #158      +/-   ##
============================================
+ Coverage     19.43%   19.43%   +<.01%     
  Complexity       75       75              
============================================
  Files            58       58              
  Lines          2146     2151       +5     
  Branches        190      190              
============================================
+ Hits            417      418       +1     
- Misses         1710     1714       +4     
  Partials         19       19

Impacted Files	Coverage Δ	Complexity Δ
...taui/controllers/OpportunityDatasetController.java	8.86% <20%> (+0.24%)	3 <0> (ø)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update a618394...ec2123a. Read the comment docs.

[trevorgerhardt]

Ah, just pushed a branch with a similar change. I don't think this will work, the old endpoint did not have /region in the path.

[ansoncfit]

Superseded by #159