Weekly Merge: Evaluation and Encoder fixes

[kapnadak]

• Create and save redMaPPer ground truth arrays on the SVA1 footprint
• Discard clusters that are too large
• Add color columns (for PIFF, still in progress)
• Allow image normalizer to use pixel shift to select slices of input images*
• Add metrics and evaluation against redMaPPer
• Revise and update documentation

• to avoid clashes, the image normalizer takes in an (optional) argument for pixel shift to use, defaulting to 1 (which selects the entire image)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.23%. Comparing base (81fe682) to head (7a6e4df).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1065      +/-   ##
==========================================
+ Coverage   81.22%   81.23%   +0.01%     
==========================================
  Files          23       23              
  Lines        3047     3049       +2     
==========================================
+ Hits         2475     2477       +2     
  Misses        572      572              

Flag	Coverage Δ
unittests	81.23% <100.00%> (+0.01%)	⬆️

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