[make] better dependencies for store generation
[blog] port first post across; header link in post page still broken
[merlin] look to the root for merlin config
[lib] anchor css, js to base_uri
[lib] permalink as used in (eg) recent_posts needs to include `/blog/`
[merlin] appear to need PKG directives at all levels in tree?
[site] display of individual posts and associated links fixed