CB-6188 Spelling fixes

https://issues.apache.org/jira/browse/CB-6188

This commit should be squished before [rebase/cherrypick] merging (and include CB-6188 in the commit message)

Commits are sorted into categories and arranged by stems.

Brands are highlighted.

There aren't any grammar fixes in this round, but this isn't a warranty that there aren't grammar bugs in the repo :)