Added title to Constitution.
Merge https://github.com/jfly/wca-documents into minor-fixes-lgarron
Removed a spare word, added a comma.
Edits and comments by Kevin Freese.
Edits and comments by Pedro.
Edits and comments by Erik Akkersdijk.
Small update from Pedro.
Dene's comments on structure/formatting.
Dene's spelling/grammar/wording comments.
Dene's general comments.
Merging Kevin Freese's changes.

Two changes adopted:
- Regulation 2s) Accommodations for disabled competitors are now under one general regulation.
- Regulation 5b5) Clarified wording.

The other changes are not being accepted because the WRC has already discussed or addressed them.
Merged wording changes by Dene.

The meaning of all Regulations should be unaffected.
Filtered Pedro's changes.
No modifications have been accepted, but comments on Regulations A1a4), A7), and H1b2) have been noted for WRC discussion.
Filtered Dene's formatting suggestions.

- Numbering and nesting of various regulations changed.
- Regulation 3g) (about sanding and lubricating) moved to Guideline 3h).
- Additional refactoring of Article 3 refactored.
Merging filtered formatting changes from Dene.
Filtered general comments from Dene.

Comments noted for WRC discussion: Regulation 2c), 2s1), 5b), A2c1), A2d), A6e), and A7f).
Filtered Erik's suggestions.

Comments noted for WRC discussion: Regulation 1e2), 2l), 8a4), 9e), 10f), A5b), and B2e), as well as Articles 2, 6, and A.
Merged Erik's suggestions.
Merged general comments from Dene.
Comments from Bob.