Merge pull request #2 from jwakely/develop

[class.path] Fix missing ')' and indentation for ~path.
Supply correct column heading. Provide record of response for all comments on pages 1 - 3.
Merge branch 'develop' of github.com:cplusplus/filesystem-ts into develop
Correct cross-reference form.
Qualify type names that clash with members.

Standard string types must be qualified to disambiguate them from
member functions with the same names.