Partially Fixes #354

[scottwedge]

Convert some words to American English as per #354 (Conform to American English spelling).

[codecov]

Codecov Report

Merging #355 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #355   +/-   ##
=======================================
  Coverage   97.47%   97.47%           
=======================================
  Files          64       64           
  Lines        1821     1821           
  Branches      202      202           
=======================================
  Hits         1775     1775           
  Misses         37       37           
  Partials        9        9           

Impacted Files	Coverage Δ
force_bdss/events/mco_events.py	100.00% <ø> (ø)
force_bdss/mco/base_mco_model.py	100.00% <ø> (ø)
force_bdss/mco/optimizer_engines/space_sampling.py	100.00% <ø> (ø)

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