Add index page containing a link for each public route
Don't capitalize controller string; looks better without it for nested classes
Remove unused variable 'data'
Improve route parsing and documentation content

- Parse routes into paths => {action => data}, for greater control over how the
  data is used to generate documentation
- Update document generation to use the new data structure
- Add "table of contents" to each controller page
- Include controller action in each path doc, and make the verb more visible
Bump version/date