A few more background reading recommendations
Merge branch 'prose-patch-4' of github.com:timcowlishaw/manifesto into timcowlishaw-prose-patch-4

Conflicts:
	index.md
Merge branch 'timcowlishaw-prose-patch-4' into gh-pages
Merge branch 'gh-pages' of github.com:openpolitics/manifesto into gh-pages