Document how to generate/install manpages. (#1302)
Document how to generate/install manpages. (#1302)

Fixes #686.

jimporter/mkdocs,waylan/mkdocs,jimporter/mkdocs,mkdocs/mkdocs,mkdocs/mkdocs,mkdocs/mkdocs,waylan/mkdocs,jimporter/mkdocs,waylan/mkdocs