Give users options to condense or eliminate progress bars

[ponyisi]

• Fix issues in ExpandableProgress that broke summary bar
• Pass necessary arguments down from deliver()
• Introduce enum class that lets user choose default display (all bars), compact display (only the total progress), or no progress bars at all

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.89%. Comparing base (a3c989a) to head (bde5c03).
Report is 13 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #556      +/-   ##
==========================================
- Coverage   92.59%   91.89%   -0.70%     
==========================================
  Files          29       29              
  Lines        1823     1974     +151     
==========================================
+ Hits         1688     1814     +126     
- Misses        135      160      +25     

Flag	Coverage Δ
unittests	91.89% <100.00%> (-0.70%)	⬇️

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[gordonwatts]

This looks fine to me - one suggestion and one question (because I didn't check out the code and test it in a notebook).

[gordonwatts]

Fantastic!

[ponyisi]

I will add user documentation in a new PR - this is actually somewhat involved but should be done properly.