Remove links to docx versions of policies
work on user guide

Some of these are just notes, but planning and organizing are full
drafts and I moved definitions into the user guide part
Merge branch 'master' of https://github.com/databrary/www

Conflicts:
	databrary/input/upcoming/collecting-data/grandfathering-data.md
edit
more small edits
Merge branch 'master' into staging

Conflicts:
	databrary/input/pages/user-guide/collecting-shareable-data/grandfathering-data.md