feat(make-program): add make-program to replace scripts in examples.

[jdhughes-usgs]

Add make-code-json and mfpymake command line interfaces. Add additional tests.

[codecov]

Codecov Report

Merging #126 (01f93a8) into master (bb8ad0f) will decrease coverage by 1.104%.
The diff coverage is 13.207%.

@@              Coverage Diff              @@
##            master      #126       +/-   ##
=============================================
- Coverage   62.508%   61.404%   -1.105%     
=============================================
  Files           17        21        +4     
  Lines         4481      4586      +105     
=============================================
+ Hits          2801      2816       +15     
- Misses        1680      1770       +90     

Impacted Files	Coverage Δ
pymake/cmds/build.py	0.000% <0.000%> (ø)
pymake/cmds/createjson.py	0.000% <0.000%> (ø)
pymake/cmds/mfpymakecli.py	0.000% <0.000%> (ø)
pymake/pymake_parser.py	27.272% <33.333%> (-4.307%)	⬇️
pymake/pymake.py	75.925% <75.000%> (ø)
pymake/config.py	100.000% <100.000%> (ø)
pymake/pymake_base.py	86.794% <100.000%> (+0.050%)	⬆️
pymake/utils/download.py	68.376% <100.000%> (+0.090%)	⬆️
pymake/__init__.py	100.000% <0.000%> (ø)