reflect change: Modularity chapter renamed to Organizing Controllers (#570)
merged branch silverskater/patch-1 (PR #700)

This PR was submitted for the master branch but it was merged into the 1.0 branch instead (closes #700).

Discussion
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reflect change: Modularity chapter renamed to Organizing Controllers (#570)

Commits
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d051da3 reflect change: Modularity chapter renamed to Organizing Controllers (#570)