Pass CodeChecker / Doc Checker once all current issues closed

[Jeremy Hopkins]

Once the current round of changes is complete this needs to pass code / doc checker for release.

[Frédéric Massart]

Cosmetic code changes to please code checkers. Refs #39

Note that some warnings and errors are still reported, those are considered to be false negatives (e.g. JavaScript ES6), or unnecessary (e.g. Documenting method documented by parent class).

→ <<cset f4f97e3bb232>>