Output multi-AOI statistics with SCOT metric

[dphogan]

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Description

Option to output dictionary of statistics from all AOIs with SCOT metric (turned off by default)

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected - these changes will not be merged until major releases!)

How Has This Been Tested?

No tests added to codebase.

Checklist:

• [ ] My PR has a descriptive title
• [ ] My code follows PEP8
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new errors
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] My PR passes Travis CI tests
• [ ] My PR does not reduce coverage in Codecov

If your PR does not fulfill all of the requirements in the checklist above, that's OK! Just prepend [WIP] to the PR title until they are all satisfied. If you need help, @-mention a maintainer and/or add the Status: Help Needed label.

[codecov[bot]]

Codecov Report

Merging #401 into dev will decrease coverage by 0.06%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##              dev     #401      +/-   ##
==========================================
- Coverage   55.25%   55.19%   -0.07%     
==========================================
  Files          82       82              
  Lines        7152     7158       +6     
==========================================
- Hits         3952     3951       -1     
- Misses       3200     3207       +7     

Impacted Files	Coverage Δ
solaris/eval/challenges.py	61.62% <0.00%> (-1.47%)	:arrow_down:
solaris/eval/scot.py	4.05% <0.00%> (-0.12%)	:arrow_down:
solaris/nets/transform.py	62.09% <0.00%> (-0.81%)	:arrow_down:

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